1. Looking like frothy semen (that has churned to look like marshmallow fluff). Can be either anal or vaginal.

2. A word to describe flatulent prostitute who loves churning semen into said "fluff".
"That peach cobbler last night had so much whipped cream it looked like a marshmoidal pussy"

"That chick's so marshmoidal you can keep banging her for ages after you cum"
by Domo Arigato Mr. Roboto December 2, 2009
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