One who is forced to or unwittingly swallows human sperm.
She kissed me after and I think I gotta case of the Hellmouth!
by jackofalltrades56 February 25, 2011
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When you eat spicy food and then eat out a persons asshole.
Can also be used if the persons asshole you are eating has eaten spicy food thus turning their asshole into the Hellmouth.
Guy1: You want some of these buffalo wings?
Guy2: Are they spicy?
Guy1: Spicy enough to circle the Hellmouth with my girl.
by Getaho February 1, 2015
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