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Excercise where you clench your butt repeatidly. If done regularly and very OFTEN it results in a very fine firm ass!
I did thousands of butt clenches a day for this sexy tight ass!
by Nallis December 08, 2006
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Buttclench is an expression to aftermath oral sex. For example, there are gay men who began squeezing their ass together As they suck eachother's dick until it erupts.
"I just buttclench with Kesser Bulebs, our math teacher! It was thrilling!"
by Dorkievs Irects May 16, 2018
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