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1 definition by traumageek

 
1.
Accidental, unintentional contact between your naked arse-cheeks and another individual's naked arse-cheeks, resulting in a panicked moment of pause, sudden development of perfect posture on bolting upright, butt-hole puckering and the grunted "sorry" cough being elicited. Commonplace at such establishments as gyms or work locker rooms.
Two individuals standing side by side at neighbouring lockers.

Individual One: *turns to the right, bends over*
Individual Two: *turns to the left, bends over*

Arse-cheeks touch. Moonlanding has occured.
by traumageek May 18, 2010