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!
See
Random Words:
1.
a joyful maneuver in which the arms are spread to imitate wings and one begins making motor noises while running erratically. usually do..