The are of space in between the two but cheeks (also known as butt cheeks, or ass clapers). Offten used as a jokeing, or nonoffencive, insult.
1. My anal crack is so sore from that huge crap I just took!

2. Dave: Wow your so stupid! I cant belive you fell for that!
Mike: Ha! Ha! Shut up you anal crack!
by n es November 04, 2010
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