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1.Someone who is shy or cant get women. 2. Not a pimp 3. Sheepish in personality. 4. Someone who doesn't get alot of Play or Action. 5. Some sheepers may be gay.
"Yo man that dude is a sheeper, He has only had two girlfriends his whole life."
by Steve Steve November 16, 2005
A term for somebody who fucks somebody else in the ass.
I'm a sheeper, because I fucked that bitch in the ass all night.
by JohnWilks August 18, 2006