1. A vegetable consumed by humans and rodents alike which increases the growth of skin bacteria around the pelvis and urinary region.
2. Somebody who sneaks up on you that you didnt anticipate.
2. (You turn around and somebody you didn't see before is there)"Whoa, I thought I smelled 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!