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When a man blows his load into his girlfriend/boyfriends asshole. Then his partner gets on their hands and knees with their ass in the air, and clenches their asshole, causing a burst or "volcano" of jizz to come shooting out.
Friend: Dude, I heard you and your bae did a Mexican Volcano last night.

Dude: Yeah bro. It left a pretty big mess!
by TheAcornnMan July 28, 2014
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2
When a man blows his load into his girlfriend/boyfriends asshole. Then his partner gets on their hands and knees with their ass in the air, and clenches their asshole, causing a burst or "volcano" of jizz to come shooting out.
Friend: Dude, I heard you and your bae did a Mexican Volcano last night.

Dude: Yeah bro. It left a pretty big mess!
by TheAcornnMan July 28, 2014
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Get a Mexican Volcano mug for your boyfriend GΓΌnter.