During anal sex, the man ejacualtes into the anus of the male or female receiver. When the receiver later uses the toilet, what comes out of the anus, a mixture of ejaculate and feces is a poo baby.
Chris and Sean, sitting in a tree,
K-I-S-S-I-N-G,
first comes love, then comes marriage,
then comes the poo baby in the toilet carriage.
K-I-S-S-I-N-G,
first comes love, then comes marriage,
then comes the poo baby in the toilet carriage.
by Gabriel Miranda April 12, 2007
by poo_baby_maker5 February 3, 2011
When a man has a sex change, to then give birth to a baby that has been artifically inseminated in there anus.
"Oh shit, I'm going to have a poo baby"
by Pete Townsand October 5, 2006
When you eat too much the night/day before - and your bloated stomach's contents have digested enough - and your 'leftovers' are ready to be "dropped off at the pool".
Nat - "I ate too much last night! Poo Baby is ready to launch!"
Kim - "Same here, I'll come with."
Kelly - "I've got a Poo Baby."
Kim - "Same here, I'll come with."
Kelly - "I've got a Poo Baby."
by MaceGrey October 17, 2010
Big albino fat ass who typically can be quite rude and has a large temper, in his free time he likes to burn down storage buildings and hurt his friends feelings.
by Gageybaby November 19, 2019
A half humanoid half crap concoction of a thing created by artificialy inserting unspecified things inside of the anus.
by Rafeal January 7, 2007
When a man has a sex change, to then give birth to a baby that has been artifically inseminated in there anus.
by Pete Townsand October 6, 2006