a.k.a. itsy-bitsy, ittle bitty
A term that means something small, tiny. Possibly derived from the term ittle bitty which in turn comes from a twist of the expression "little bit".
Often used (vulgarly, insultingly and/or appreciatingly) for women with small breasts. (See Itty Bitty Titty Committee).
See also itsy-bitty and ittle bitty.
-Gee, thanks. And you have the most adorable itty-bitty weenie I've ever seen.