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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
 
1.
Someone very comfortable in the water, Good swimmers, and never scared while in bodies of water
There's Jadine, back in the lake. She's such a water baby
by C. Moon August 25, 2006
 
2.
1 n. a person who loves the ocean, swimming, etc.

2 n. a person under the zodiac sign of Aquarius; an Aquarian.

3 n. an infant who dies by drowning.
1. "He just bought a little place on the waterfront...he's such a waterbaby."

2. "She's a waterbaby, so she'll go perfect with me being a Leo."

3. "It's so sad...what a sweet child to die a waterbaby."
by Haley December 21, 2003
 
3.
Tiny bead like balls that grow when put in water. They are usually treated as if were real babies and they can also bounce.
1.Look at my water babies in the water bottle grow!

2. Aw.. my water babies are so cute!
by noneofyourbizness January 08, 2011
 
4.
When you wack it in the shower the sperm then becomes known as water babies
I just made some Water Babies
by Duke April 28, 2003
 
5.
Where you drink too much water and get bloated so it looks like you're pregnant but it's just water.
"Guys look! It's Esther's water baby!!"
by ItsaMusicaltransaction March 27, 2009
 
6.
A person who feels free in the water. Sometimes you may be sick with a headache or light stomach ache. Hop in the shower and you'll feel better.

Another great example of a water baby would be Percy Jackson from the movie "Percy Jackson and the Olympians". Percy says that whenever he is in the water, he can think more clearly on things.
"I had a terrible cramp this morning, so I took a shower. Wow, did I feel GREAT afterwards! It's good to be a water baby."

"That Percy Jackson character is a total water baby version of Zac Effron."
by WaterBBgirly April 20, 2011
 
7.
a person who cries a lot.
YOU SUCH A WATER BABY!
by leviathan.brood March 05, 2011