A phrase used to describe someone being disrespectful. Used in a friendly context. Interchangeable with "stinker."
"Don't be such a rude nickel."
A lower belly bulge carried prominently beneath the belt line which makes a person appear as if they is trying to smuggle a bag of nickels in their pants.
"Did you see that nickel smuggler?"
A wood disc that is utterly worthless.
I spent $20 at the carnival and all I left with is a wooden nickel.