stroker noun7 •One who strokes. •Something with which to stroke. •(slang) A four-stroke engine or by extension the vehicle itself; especially a motorcycle, as opposed to a two-stroke motorcycle (smoker). •(slang, offensive) A masturbator. •(slang, offensive) A loser. •(slang, offensive) A criminal, a trickster. •(no longer used) A person who cures illnesses (especially scrofula, ) by stroking the sufferer. formsstrokers