The song did not receive an official release or chart in the United Kingdom or United States. The song peaked at number one on the Bubbling Under Hot 100 chart in the United States for two weeks, due to strong downloads from The Re-Up. The song also managed to chart on the Pop 100 peaking at No. 77, staying on the chart for two non-consecutive weeks. The song refers to Interscope chairman Jimmy Iovine, and it also mentions how he allegedly had sexual relations with Mariah Carey. The single version of the song features vocals from Cashis in place of 50 Cent's vocals, and also includes a new verse from Eminem.
Robert Christgau was positive: "the Em-50 duet "Jimmy Crack Corn," an egocentric return to the rhythms of the visionary anti-Bush "Square Dance," comes as a relief (to the album itself)." B. Love was positive towards lyrics: "Jimmy Crack Corn," that steals the show though: "you wanna talk shit? Let'em talk shit/cause they talk shit/knowing deep down they just wanna squash it/cause no wants to walk around stepping in dog shit/and get doo doo on their shoe again as soon as they washed it/but their pride won't let'em, inside's like go get'em/and I'm just like why you tryin' to fight momentum/we just keep winnin' by landslides oh and um/Shady Limited in any size yo demin...meanwhile your minds on us like mine's on Mariah/and y'all are just her you're all fuckin' liars/but I'll just keep fucking you like I fucked her/right in the ass with K-Y, yes sir/so full of joy, boy am I absurd/even Chingy would tell you, that boy don't cuurr." Sputnik Music noted that Eminem puts out superb beats for this song. RapReviews called this song "deadly funny duet." Dorian Lynskey wrote that On Jimmy Crack Corn, "he Eminem leeringly revisits his alleged 2001 tryst with Mariah Carey (she denies they were ever involved.)" PopMatters noted that this is one of the only tracks worthy enough to be on your mixtape, "the 50 Cent duo complete with breathy beatbox intro."