To abandon someone without warning.
To miss school, play truant, play hooky.
To crash or glitch.
To leave (a place) hastily.
To freak out, to go crazy, e.g. from worry.
To cause to bulge.
A rapid retreat, a rout.
To backpedal, desert or withdraw (also used with out).
Various marine crustaceans, rock lobster; especially Jasus lalandii, the Cape crawfish.
Various freshwater crustaceans, crayfish.
A slur against Anglo-Canadians used in some corners of Quebec (including the Gaspé).