Obestity

Derogatory.

A man who is so obese, that he has a pronounced pair of male breasts, (titties)
Combining the pronunciation to obese, beast and titty into one word to describe an obese man's beast titties.

"holy shit dude, look at that obestity over there, he's gotta be a d cup"

Meatloaf in Fight Club.

Obestities

When a breast is obese.

Damn that girl got some obestities