CRAYFISH
NOUNS
► BUSTER a crayfish about to break free of its shell → 1879 US sl.
► CRAY a crayfish → 1906 chiefly Aust. & NZ
► CREVIS FISH a crayfish → 1688 obs.
► DITCHBUG freshwater crayfish → 1968 Amer. dial.
► MUD BUG a crayfish → 1955 Amer. dial.
► SHEAR CRAB small, freshwater crayfish → 1967 Amer. dial.
► SHORTIE an undersized crayfish → 1980s NZ sl.
Lexicophilia 