An Australian species of freshwater crayfish, Cherax destructor; a yabby.
Various freshwater crustaceans, crayfish.
Various marine crustaceans, rock lobster; especially Jasus lalandii, the Cape crawfish.
A slur against Anglo-Canadians used in some corners of Quebec (including the Gaspé).
To backpedal, desert or withdraw (also used with out).