Whack-f*ck [WAK fuk] whack-f*cking; noun, verb - 1. A term associated with the game of golf, usually involving the "whacking" of the golf ball from the tee-off box, resulting in the ball either slicing or shanking, ultimately flying in any direction other than towards the intended target, and the player crying out an expletive, vulgar in nature. Example of use: WHACK! "F*CK!!!"