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When you masturbate to something you think is sexy, but turns out to be a dud or ugly picture (say, a side-boob).
Hmm, that side-boob looks hot. Man, I feel like rubbing one out.

*Photo is actually picture of a fat guy's side-boob.
*Gasp* FAPSPHEMY!!!
by Goldstar127 January 12, 2013
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