Answer: stinkpots

AnswerCrossword Clue
STINKPOTSPowerboats
STINKPOTSMotorboats, to sailing fans
stinkpotsA vehicle that emits foul-smelling exhaust fumes, esp. a motorboat as opposed to a sailboat
stinkpotsSTINKPOT, a jar containing foul-smelling combustibles
stinkpotsAn unpleasant person (used as a term of abuse)