Crayfish : noun A crayfish is a medium-sized freshwater crustacean with two strong front claws.
Women.
Red like a crayfish (after cooking): very red.
Walk, go like a crayfish, backwards.
Baker's crayfish: cockroach.
To have a crayfish in the pie: to be crazy, not to bind, but to avoid. We also say: have a crayfish in the vol-au-vent.
To have a crayfish in the pie: to say, to make extravagances.
Crayfish: cardinal (thieves' slang).
Being half crazy.
Rampart crayfish: infantryman, line soldier (jargon of cavalry soldiers).
Term used in the world of prostitution to designate a homosexual.
passive because "he walks backwards".
In the same environment, this word also designates the sex of the woman.