itty bitty titty committee

Etymology
Coined for the rhyme. First attested on American musical comedian 's record Rusty Rides Again (1967).

Noun

 * 1)  Women or girls with small breasts, viewed collectively.
 * 2) * 1967,, Rusty Rides Again, , side B, 09:02:
 * Oh yeah, there's lots of little Nanny-No-Knockers – in fact, we've got our own group. It's called the I.B.T.C., that's the itty bitty titty committee.