a. Adj. Cabbage is what circus midgets smell like. Used to describe a person who smells foul like cabbage. see also Austin Powers: International Man of Mystery.
b. N. Someone who smell like the fool smelling vegetable with the same name.
b. You're such a cabbage!
Manic laughter of crowd around boy #1
Boy #2: "Shit on My boots, You guys are a bunch of cabbages! I'm going to make like Morrison and choke on My own vomit(=leave)."
The victim's bag is taken, emptied, turned inside out, refilled and returned to them, without them knowing anything about it.
Shaun: (looks under chair) Oh for God's sake!
A moment of social ineptitude would also qualify for you to call someone a cabbage.
John; Matt, you fucking cabbage!