The slang word 'Cap' is the shortened term of Captain, used mostly in New England but mostly found in maine, around the penobscott and Hancock county areas.
A slang term for semen, male orgasm/ejaculation(excluding female ejaculation). The term is thought to have originated from Sub-Saharan Africans having first seen a snow "capped" mountain, concluding that the mountain was covered in semen.