a space between the two front teeth on the upper row of teeth in a male or females mouth. having a gap is considered a sex symbol (like beauty marks) and attractive. Recently, having a gap has been associated with overly sexual people, so to hear a girl being called a slut because she has a gap is not uncommon. Gaps are cute on girls and modelesque on men. Most people with gaps are sexually attractive.

A very sexy spread of the "buck" teeth that can, and will likely cause an orgasm to occur. the gap may be removed by getting braces

Someone who is a little too 'long in the tooth' (old) to be shopping @ the Gap for semi-formal wear.

Anyone who's name is Mohammed or Guillermo

Someone who doesn't make every 6 month visit to the dentist.

A country person with a fucked up grill/ teeth who can't find sex anywhere else but with his/her cousin and they make a bad habit of it to the point sometimes of having kids together.

a space between a person teeth, best cleaned with a pool noodle.