What is a TITBAG?

Refers to pear shaped, hanging tits that are hanging like bags.
Large tits can be compared to grocerybags, small tits to tea-bags.
Any tit that is not pushed up, or round or pointy in appearance, and does not hang too much to be called hangtits.
Lucky you didn't end up with Sara Paxton! Her titbags are as small as tea-bags