Throob

When a girl is exposing her cleavage and there is a space in between her tits.

gerald: man did you see that bitch's throob?!
arnold: hell yeah i did! the perfect about of space for me to slide my meat pole through!

by mikeoxhart December 01, 2010

Throobs

When one has a third breast (i.e. from a Chernobyl accident, a genetic mutation, an unusual hormonal issue, etc), one can be said to have a throob.

I once dated a woman with throobs. God I miss her...

by Mark McBass July 15, 2022