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1.
a) fucking in a small space such as a closet, Geo, box, cubicle etc.

b) "Seven Mintues In Heaven" gone wrong
a) Kaitlyn and Jasmine were discussing the claustrofuck that Kaitlyn had the night before in her boyfriend's Geo.

b) Jared and Olivia were locked in the closet at Carissa's party and it turned into a claustrofuck.
by The Smarty Farty Party August 16, 2008