knuckle sandwich

To punch someone in the mouth to shut them up.

Tom: you're just jelous of me cuz I slept with your girl and you didn't. And y'know what? she liked it so much that I...
Edd: IF YOU DON'T SHUT UP, I'LL GIVE YOU A KNUCKLE SANDWICH

by LesleyDianna February 22, 2012

Off your rocker

It means acting nuts.
To be a crazy person.

Matt: Oh, I can't believe you just jumped off that 80 feet building! You must be off your rocker!

by LesleyDianna February 22, 2012

numpty

An idiot.
Usually used by british people.

Lea: I think I'm in love with Joe.
Sarah: but he's Kristens boyfriend! and she's your bestfriend!
Lea: Yeah, I know but who cares?
Sarah: oh, you are such a numpty.

by LesleyDianna February 22, 2012