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1.
One who dedicates his/her life to strive for a better bate.

Not to be confused with Masturbator, a common Wanker.
"Whoa, Jon's such a Bater we can only marvel at the power of his bate!"
by Merkabian October 26, 2004
 
2.
One who Masturbates, Short for Masturbation.
Ron is a constant bater.
by some guy November 18, 2002
 
3.
A questionably black man who drives a tan 3 door beat up honda sporting jeans and a black hoodie. Exposes himself to the residents of Elon University in the wee hours of the night.
Lauren screamed when she walked into her apartment and the bater was sitting on her couch naked masterbating
by Elon Dude October 25, 2010
 
4.
Def 1: A beholder of the titty. A woman, chick, babe, or bittie.

Def 2: Baters - The titties themselves
Def 1: I need to snag some baters.

Def 2: I need to smack some baters around.
by TropicThunder19 March 31, 2011
 
5.
One who constantly bates
Man, that Nick Friedman is a real bater - E Dub
by A startled non bater August 09, 2010
 
6.
family from England, few in numbers but very proud of their name, also more tolerant to crude jokes then the normal being.
Man, nothing seems to bug that bater.
by Sid the fire king February 05, 2010
 
7.
An extremely big-headed person. Or one who's head is un proportionaly large to their body.
"Dude do you see that bater over there?"
by Andrew Fabry January 29, 2009