What's on your mug?

To severely beat someone, usually in a fight.

He's gonna fuck up John when he finds out his bitch slept with him.

By Jo

Someone who is useless at life. They usually screw everything up without even trying.

Dave: "what happens when If I touch this?" Person 1: "it doesn't matter, just don't do it" Dave: "oh god, I broke it" Person 1: "I just told you not to touch it...Fuck up!"

By lolololololrofl

1. Screw something up, completely fail at something 2. Shortened way to say "shut the fuck up" 3. (Australia) Something you say to initiate a fight with some cunt. Basically "stand/get the fuck up".

1. I really fucked up that. 2. Fuck up, Dazza. 3. Fuck up, cunt.

By Sick Cunt

A common word used in New Zealand meaning "shut the fuck up". It sounds cooler and is more expressive.

1. Tom - "fuck up mate" 2. Tom - "Hey bro, isn't this the best example ever?" Steve - "Fuck up Tom!"

By ey man

To always mess up even after promising he/she would.

Synonym of 'fuck up' is ' Shashwat Poddar'.

By Iseethat