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.
Someone or something that bites your ankles.
To a postman, an ankle biter is often known as a dog.
To an adult, an ankle biter may be a toddler.
To hikers, an ankle biter is sometimes a tick.
And so on.