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A person that is totally obsessed with asses.
That dude is totally obsASSed, because all he does is think about naked butts.
by Jeff D July 16, 2005
Constantly pondering how to grip some of the nicest ass around.
Girl with nice ass: That beastly GK from da boro is completely obsassed.

Girl who hangs out with (above) to look better by comparison: Yea i know hes totally checkin you out.
by Mista Noinchman February 09, 2008