Definitions by Jonaconda

twummy 

Another name for the FUPA, Vagumach, or Gunt.
1). noun.
A protruding sack of fat which extends from the lower abdomen to the upper genital area

"Hey Justin, you remember the hog I brought home from the bar? Well, we were going at it on the couch, I went to slide my fingers inside her and I got caught up in her Twummy."

twummy by Jonaconda April 13, 2007