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8.
A person who has a very large head.
That guy's head is so huge he looks like a water baby.
by J.T.J October 02, 2009
13 36
 
9.
The act of becoming pregnant from going swimming. Usually, the bastard comes out deformed due to high levels of chlorine.
"Awwe. What a cute water baby."
"That is a water baby if I ever saw one!"
"I think i'm pregnant.....with a water baby!!"
by bloonsworld July 10, 2008
6 34
 
10.
you have sex in the water!
and 9 months later!
you are pregnant therfore it was a water baby
ie conceived in the water
omg!!! im pregnant. and the last time i had sex was in the hot tub

dude, you baby was conceived in the water!omg you are havin a water baby
by simieandjennie August 11, 2009
4 34
 
11.
Term for a large-nostril black person. their nostrils are so large they can be under water and still breathe, like a hippopotamus.
Hey Tyrone, why you such a water baby, your momma hold you under water too long?
by boyzinblu January 19, 2010
20 52