Baby Flume 

A vagina. When a woman's vagina becomes so warped from childbirth that subsequent babies come out like they are riding a log flume.

After the first couple of children Michelle Duggar's vagina had become a baby flume.

Baby Flume by DWMUND November 30, 2010

baby flume 

a low pitched noise of the throat, commonly creates a scene of chaos, uncomfortability, or ease.

Franky baby flumed so loud and hard that the room went silent... then erupted into full blown applause.

baby flume by sandycohen01 May 26, 2010