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5.
An otherwise nice automobile that has been either neglected, beaten up, poorly maintained, or has fallen victim to tasteless modification not befitting the original car.
"Check out the classic 911 over there, so awesome"

-"Dude, it looks good from here but we had it in the shop yesterday. It leaks like a sieve, rust underneath, and someone tracked the heck out of it a while back... straight ratball"
by MJC90 June 11, 2008
 
1.
a man who has testicles like a rodent. A blast to go out with but sometimes goes to the "dark side" He has his own language "e e e e e" and is a massive fan of Katie Melua
Look at that ratballs over there!
by nsc1 December 15, 2009
 
2.
1. n. One who enjoys being bratty or otherwise annoying others.
2. n. A ball or clump of fur, typically that of a rat or other rodent.
A ball of hair that may be found in a dark corner where rodents dwell.
by sqwirlkt November 11, 2004
 
3.
An unorganized, pick-up game of basketball where the quality of play is poor and most or all of the players are of Caucasian descent.
The fouls at our weekly ratball game have gotten out of hand.
by alexious January 19, 2008
 
4.
A descriptive word for what happens if one falls at the top of a hill - or loses one's nerve - and slides in a vaguely controlled manner on one's bottom all the way to the end. Also can be used as a verb, as in "ratballing."
I accidently found myself on a black diamond ski run and decided to ratball my way to the bottom.

As we were descending from the mountain, we ran into a patch of loose rock, and decided to ratball rather than risk falling.
by Tumbleweeds October 26, 2008
 
6.
Standing in the subway in NYC, kicking rats that are everywhere into the side of the train or into the wall.
Man, I played a wicked game of ratball last night while I waited to go home.
by flashme29 December 02, 2006
 
7.
A guy who cheats or doesn't treat his girl w/ respect; the lowest of the low; draggin' the floor
I saw ryan at the club w/ Julie and he told katie he was going out w/ his friends, what a ratball!!
by Ktsue September 16, 2005