the in a girl(s) mouth (usally the front top teeth) that show that she has sucked dick. the bigger the gap the bigger the slut.
chris: john u better stay away from kim
john: why she look good
chris:yeah i bet alot of other guy said that to and look at the size of her gap
john:true true
john: why she look good
chris:yeah i bet alot of other guy said that to and look at the size of her gap
john:true true
by naius July 31, 2007

by Elitist January 13, 2004

The car in front of us slowed down suddenly so we had to gap it.
We were racing in the evo when we gapped it into the next lane.
We were racing in the evo when we gapped it into the next lane.
by alexander j. bullwinkle April 13, 2007

"Kate Moss took a really good gapping from that well endowed fellow, it's a wonder she has any nose left!"
by Offendimus Maximus March 5, 2021

Fapping to buttcracks.
by Shinigami Jacko December 14, 2007

by Scott Mcmaster V November 29, 2003
