Noun; a water pipe used primarily for inhaling marijuana, that is placed in between a woman’s cleavage, while someone else inhales smoke from the bong.
Hey Crystal, come over here and press your titstogether around the stem of bong so I can take a tittybong hit!
a man who is obsessed with, or just generally enjoys banging titties, particularly those tities that are large and succulent. a man of high tittybanger status will bang any titty that is b-cup or larger.
eric is an avid tittybanger, and enjoys the act more than anything on god's green earth.
the tittybanger cares about nothing besides fucking titties.