Pronounced 'Dee- Fuck' Comes from mixing together 'What', 'The', 'Fuck?'
An expression which is usually due to a. disbelief or b. drunkenness.

'Defuq was that?' or 'Defuq you doing?!'
by Hellothere14279580 September 22, 2012
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When u got no idea what tf happenin
Ryan: Dude I just got high with Hitler!
Shakwanafaunarauna: Defuq?
by 420dankm3m3s June 1, 2016
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Ur a bitch defuq u want from me
by Why’re May 7, 2020
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