1 definition by Fuck-yu Master
The scottish/irish or drunks form of kung-fu which consists of getting rip-roaring drunk and head-butting, drop kicking, and/or pissing on the victim. Useful in large groups.
"Dude there were these huge assholes in the bar last night, so me and my 3 buddies who already had quite a few let loose some fuck-yu on their punk-asses."
"Kickass"
"Kickass"
by Fuck-yu Master April 2, 2008