"vagina," slang, by 1991, perhaps from hoochie-coochie, especially in the blues song "Hoochie Coochie Man" by Willie Dixon (1954), featuring a sexually suggestive phrase that traces at least to the 1893 World's Fair (see hoochy koochy).
convulsion
convulsive
cony
coo
cooch
coochie
cook
cookbook
cookee
cooker
cookery