Protruding fat mass between the belly-button and the upper pelvis whose shape has been severely affected by the action of gravity.
Demographically, the belly underflap is most common in senior men who drink a lot of beer and women in their thirties who tend to choose extremely tight clothes.
Belly underflap is also observable in successful biggest loser contestants
Demographically, the belly underflap is most common in senior men who drink a lot of beer and women in their thirties who tend to choose extremely tight clothes.
Belly underflap is also observable in successful biggest loser contestants
boy 1 - "Hey dude! Check-out that girl's belly underflap!"
boy 2 - "Yeah! Yesterday she was totally hawt, but today she looks like T-1000 in the molten iron pool!"
boy 2 - "Yeah! Yesterday she was totally hawt, but today she looks like T-1000 in the molten iron pool!"
by jtuf January 6, 2012
Get the belly underflapmug. 
It's the extremely uncomfortable feeling of fullness after eating a meal at Cracker Barrel. Usually accompanied by a feeling of stickiness due to the ubiquitous use of syrup by its patrons and staff.
Emilie: What's wrong? You've been lying on the couch all afternoon.
Dad: I had the Momma's Pancake Breakfast at Cracker Barrel for lunch and now I've got the Cracker Belly.
Dad: I had the Momma's Pancake Breakfast at Cracker Barrel for lunch and now I've got the Cracker Belly.
by Uncle Buck, Tennessee April 24, 2021
Get the Cracker Bellymug. The act of playing with a belly with squishing, smacking, rubbing, licking, usually squishing or rubbing.
by CarterSmith September 14, 2023
Get the Belly Playmug. When a girl is giving you head in a car and you are about to ejaculate you pull up the e brake and hit her in the stomach
by shneed May 25, 2015
Get the belly bruisinmug. by gayballs69 December 30, 2021
Get the shake that bellymug. Smacking someone’s stomach till it’s beat red then cumming on their tummy and rubbing it in until it’s neon red
by DaddyDane May 18, 2019
Get the Neon bellymug.