Someone who’s titties are itty bitty and are tiny. U can only see these tittys from a microscope. If u look close up u might see nip

less than a lip-full

A group of girls with very small boobs

The imaginary committee you're part of when you have tiny boobs.

A group of small, very young kittens, often depicted in lolcats cutely performing activities generally reserved for adult humans. Alternatively spelled itteh bitteh kitteh committeh.
A feline parody of itty bitty titty committee

A squad only for females with itty bitty titties.

The Itty Bitty Titty Committee is the group of women with tiny breasts. If you're an A cup or under, you're a part of the Itty Bitty Comitee.