What the fuck?
Appearance
What the fuck? or the acronym WTF? is an expletive, an interjection of surprise in common usage. it is an intensive form of what. It is roughly synonymous with: oh my God, what in God's name, what in the world, what on Earth, what the dickens, what the Devil, what the heck, what in hell.
Example
A witness in the Grenfell Tower Fire Inquiry in 2020, wrote WTF? in the margin of her notes when discovering that the fire safety test on building insulation foam had been rigged. [1]
Reference
- ^ Booth, Robert (26 November 2020). "Celotex executive wrote 'WTF?' on fire test report, Grenfell inquiry hears". the Guardian. Retrieved 26 November 2020.