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A fist bump (also called knuckle touch, power five, dap, pound, fist pound, spudding, fo' knucks, box, Bust,spuds, pound dogg, props, Bones, respect knuckles, bumping the rock, Brofist, Pound Cake, Sugar, Hooker fist, or knuckle crunching) is a gesture similar in meaning to a handshake or high five. A fist bump can also be a symbol of giving respect. It can be followed by various other hand and body gestures and may be part of a dap greeting. It is commonly used in baseball as a form of celebration with teammates, and with opposition players at the end of a game. In cricket it is a common celebratory gesture between batting partners.
Merriam Webster Dictionary: a gesture in which two people bump their fists together (as in greeting or celebration)
The gesture is performed when two participants each form a closed fist with one hand and then lightly tap the front of their fists together. The participant's fists may be either vertically oriented (perpendicular to the ground) or horizontally oriented. Unlike the standard handshake, which is typically performed only with each participants' right hand, a fist bump may be performed with participants using either hand.
According to St. Louis Post-Dispatch columnist Bernie Miklasz, the recent recurrence of the fist bump was brought about by baseball player Stan Musial. Time magazine wonders if it evolved from the handshake and the high-five. They cite knuckle bumping in the 1970s with basketball player Baltimore Bullets guard Fred Carter. Others claim the Wonder Twins, minor characters in the 1970s Hanna-Barbera superhero cartoon Super Friends, who touched knuckles and cried "Wonder Twin powers, activate!" were the originators. However, the "fist bump" or "pound" can easily be traced as far back as the late 1800s and early 1900s to the boxer's handshake as a way to greet when hands are gloved. In fact, the fist bump's origins may well lie in the animal kingdom as the gesture is natural behaviour observed in primates, according to a book published by Margaret Power in 1991.
On June 3, 2008, Barack Obama and his wife Michelle Obama fist bumped during a televised presidential campaign speech in St. Paul, Minnesota, and the gesture became known as "the fist bump heard 'round the world". Fox News host E. D. Hill paraphrased an anonymous internet comment in asking whether the gesture was a "terrorist fist jab", after which her contract was not renewed.[relevant? ]
In light of the 2009 H1N1 pandemic, the Dean of Medicine at the University of Calgary, Tom Feasby, suggested that the fist bump may be a "nice replacement of the handshake" in an effort to prevent transmission of the virus.
- Myron Lowery, acting as mayor of Memphis, Tennessee, fist bumped the Dalai Lama during the latter's visit to Memphis.
- U.S. President Barack Obama has been reported to be a common user of the fist bump when greeting others.
- The crew of STS-135, the last Space Shuttle flight, did a round of fist bumps on the flight deck shortly before launch.
- Howie Mandel often uses the fist bump, especially due to suffering from mysophobia. 
- Dion gave Paul Simon a fist bump on stage during the Rock and Roll Hall of Fame's 25th Anniversary concert.
- YouTube's current most subscribed person, PewDiePie, uses a "brofist" as the official greeting to all of his subscriber "bros" and can be seen brofisting the camera at the end of each video.
- Ali G is regularly seen giving the greeting, which is popular amongst UK lovers of hip-hop culture, where it is also nicknamed "nudging" and "spudding".
- In the 2006 film The Sentinel, star Michael Douglas fist bumps fellow Secret Service agent Eva Longoria toward the end of the movie, wishing her good luck in her S.S. career.
- In the manga and anime series Naruto, the character of Killer B uses fist bumps with people close to him, such as Naruto Uzumaki, as a means of showing companionship, communicating, and choreography during his rap.
- In the animated movie Mr. Peabody & Sherman the title character Mr. Peabody claims to have invented the fist bump.
- Stephey, M.J. (June 5, 2008). "A Brief History of the Fist Bump". Time magazine. Retrieved June 8, 2008.
- "fist bump | a gesture in which two people bump their fists together (as in greeting or celebration)". www.merriam-webster.com. Retrieved 2015-04-29.
- Lee Enterprises. "90 things to love about The Man". stltoday.com. Retrieved June 7, 2015.
- Power, Margaret (1991). The Egalitarians – Human and Chimpanzee: An Anthropological View of Social Organization. Cambridge University Press. ISBN 0-521-40016-3.
- Argetsinger, Amy; Roberts, Roxanne (June 5, 2008). "The Fist Couple: Giving a Big Bump to Authenticity". The Washington Post. Retrieved March 4, 2012.
- Beam, Christopher (July 14, 2008). "The 'Terrorist Fist Jab' and Me". Slate. Retrieved January 23, 2010.
- "Fox News anchor calls the Obamas' fist pound 'a terrorist fist jab'". Think Progress. Retrieved June 10, 2008.
- "Fox News Changes: "Terrorist Fist Jab" Anchor E.D. Hill Loses Her Show, Laura Ingraham In At 5PM". The Huffington Post. Retrieved June 7, 2015.
- Fist bump can pound out flu transmission
- Los Angeles Times (July 28, 2014). "Fist bumps, high-fives spread fewer germs than handshakes, study says". latimes.com. Retrieved June 7, 2015.
- ABC News. "Health News & Articles - Healthy Living - ABC News". ABC News. Retrieved June 7, 2015.
- "Dalai Lama starts US tour with fist-bump". ABC News (Australia). September 23, 2009. Retrieved January 21, 2010.
- "The Fist Bumper in Chief". Politico. August 23, 2012. Retrieved February 13, 2013.
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