When a females arse crack is on show and you want your mates to know but well conspicuously. this may lead to you or your mate dropping a pen or pencil down the crack for shits and giggles.
Guy 1: Yo! Whats Crackalaking! *points to crack*

Guy 2: lolololololololol *drops pencil*
by BRUT AL HATER November 24, 2009
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