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"
by Fuck-yu Master April 2, 2008
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a good bye for middle school niggas that want pussy
narco: ey bruh want some

middle school nigga: ey bruh fo sho

narco: bet bruh thanks
middle school nigga: aight imma fuck wit yu
by ddv1969 October 13, 2019
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