An idiot, or unpleasant person, used in the same way as douchebag, but more emphatic; one who dwells in twats, much like a buttmonkey dwells in butts
by JessicaLS April 10, 2006

Seamonkeys crossbred with crabs, they often spread by swinging from clit to clit, leaving a trail of little semen behind, or in your behind.
by Nicholas Gerrier December 02, 2004
