Biz

Plural: bzez
Lebanese slang for tits or boobs

Kel biz 3laya ad el batee5a
Translation: Each boob she has is the size of a watermelon

Layk hay, malla bzez 3laya
Translation: Look at her, what tits she has.

Bzez sa7bi akbar mn taba3 l banet
Translation: My friend's (male) boobs are bigger than womens' boobs.