When having sex in a doggystyle fashion, the male will only have one chance for a Mountain Spew. Upon entry, the male must ram his cock into her Vascular Chasm Cavity as hard as possible, if upon impact the female screams and saliva exits the mouth, the male has successfully completed the Mountain Spew. Also see Mountain Spew: Code Red.
Jane: Fuck you Clark, that really hurt!!!
Clark:(on phone) DUDE!!! I DID IT!!! I DID THE MOUNTAIN SPEW!!! And it might have been a Code Red!!!
Jane: (crying) You asshole! I'm gonna tell everyone that you have Genital Warts!!
(Superman then ripped her in half)
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The Mountain Spew: Code Red is a Mountain Spew, with one additional feature. Upon completing the Mountain Spew, the female must start bleeding from the Vascular Chasm Cavity / anus.
After Superman ripped Jane in half, he was ecstatic to discover he managed to pull off a Mountain Spew: Code Red.
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