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When two men have had sex, specifically gay sex, with the same man they are now Cobra Cousins. An unbreakable bond to be cherished forever
"Hey, how do you know Chet?"
"OH, we've both had magical nights with Brent"
"So you're Cobra Cousins? "
"Cobra Cousins for life"
by Ana!A March 15, 2021
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Jul 29 Word of the Day
Someone who used to be a potential girlfriend/boyfriend, but no longer is.
Tim: Zack, is that your exgirlfriend?
Zack: No, she's an expotential. We never actually dated...
by brownsuite September 24, 2011
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