What is Underbelly Cleavage?
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(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:
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1. A word commonly used on the island of Guam to describe anything or anyone that is messed up not working or dumb. Also used when makin..
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Person who is a cunt as a person act like a cunt and think like a fucking cunt.
Why did you do that for cuntbrains?
See cunt, cuntface..