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When a guy stands at one side of the room and his partner stands on the other side while bending over. The man then charges at his partner with his erection and tries to get it into his partner's vagina/ass at full running speed. If he misses, he could fracture his dick against his partner's ass.
Dude 1: Did you have sex with her last night?
Dude 2: Yeah. I tried banzai sex and I missed and broke my dick!
by JHAN1212 November 25, 2015
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