Answer: slipsup

AnswerCrossword Clue
SLIPSUPBlows it
SLIPSUPGoofs
SLIPSUPMakes an error
SLIPSUPDrops the ball
SLIPSUPMakes a mistake
SLIPSUPMakes a faux pas.
SLIPSUPMakes a mistake.
SLIPSUPErrs