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A rare form of fellatio in which the performer becomes so enthralled by the act, that all sense of time and place are lost, and a trance like state is attained.
Guy 1: Dude, I got the best Quantum BJ last night.
Guy2: Oh yea?
Guy 1: Yea man, she totally spaced out to like another dimension or something she was so into it. When she snapped out of it, she forgot her name and where she was for a minute.
Guy 2: Nice!
by Southern_Gent September 10, 2013
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