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Rustbutt

A gay man's period.

Once a month, for usually 3-5 days, all gay men experience rustbutt, when the accumulated semen and blood from a month of butt sex is shed from the anal lining, and comes out as a rust-colored fluid.
This totally hot guy wants to come home with me tonight, but I've got mad rustbutt :(
by Rabbi Rusty December 18, 2015
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