1. Open shirt, breast exposure, frontal ass, aggressive ass...
2. A woman or a girl who loves to expose her lovely big breast.
3. A bitch...
4. Boobs + ass linked together
5. A breast looking like an ass(a topass, a bottombreast)
"Look, Chelsee always keeps her shirt wide open, what a boobass she is..."
"Uh what a bitch!"
"Chelsiii let me touch your boobasss, giiirl!I'll buy you a diamond riiing!"
"Go ahead Abbiii babiii but don't say a word to my muuum!"