A female hustler. A chic that can close a deal, or persuade another into something.
"Damn girl you were jammin & clammin"
by scialdone April 19, 2005
North East of England slang term meaning 'hungry'.
Hyar mate, giz' a bit o yer borga, ah's puar clammin like.
by Bonny lad November 30, 2004
have sexual intercourse with any thing that has a hard outer shell. ie lobster, car, clam...
fred went clammin at the beach.
by killerlavaman June 26, 2011