Answer:

cuss

AnswerCrossword Clue
CUSSTalk a blue streak?
CUSSBe profane
CUSSUse four-letter words
CUSSOrnery sort
CUSSCodger
CUSSSwear
CUSSSpit four-letter words
CUSSOrnery one
CUSSUtter a few choice words
CUSSEmulate a sailor
CUSSOrnery fellow