What is Underbelly Cleavage?
1.
(noun): A rather large portion of fat extruding from a person's (man or woman) shirt, so much the belly is sticking out of the shirt he/she is wearing. The inverse of cleavage.
Eww she is showing some serious underbelly cleavage. Turn away!
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Random Words:
1.
1. A person who commits a sexual act with an overweight person.
2. A fat loving sicko
Dustin: Oh look at her! I'd tap that.
Mitc..