Squirrels are known to have a large testicle-to-body-ratio, i.e. they have lage lesticles in relation to the body. During mating season, male squirrels fight for females and territory. During such fights, the male squirrel tucks away his testicles into a furry pouch in order to protect them. Sometimes, however, a male is suprised by a rival and must fight quickly, leaving no time to tuck away the testicles. Consequently, the squirrel has to fight "balls out," a term that has come to refer to heated, all-out confrontations in the human world.
Wow, that squirrel there snuck up on the other one and made him fight balls out. Guess that settles that procreation conflict for the next few weeks.
by darwinlinguistics March 3, 2008
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mesh shorts worn when playing basketball

shorts you wear to play basketball in. typically longer than regular shorts, they come to the knee area
"Yeah, I'd love to beat you in 21, let me just go grab my shoes and some ball outs"
by bean21 August 9, 2006
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Marc - " FUCK Man zip up your pants your hanging balls out"
by shane-d August 3, 2007
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Whenever balls, nuts, or testicles are showing and are bouncing or swaying in the wind. See flapnut
Little Jimmy found it funny to have his balls out in church, little Sally shit her pants in the excitement.
by Alexei March 21, 2003
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Full-count at a basball game.
"Top of the 6th, shortstop Tony Smith is going Balls-Out tonight."
by Clay August 23, 2003
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Balls Out is a means used to get yourself out of an unwanted situation, while you are with a group of people (refer to the example).

Now there are many rules to Balls Out, as it is a very complicated means to an ends, so to speak, these rules are;
-Balls Out can only be called in reasonable situations; Balls Out to shooting that guy over there, is not reasonable.
-The Balls Out call must be audible; no mumbling.
-In case of a tie, Balls Out must be repeated by the people that have tied, until it is clear that one guy said Balls Out faster then the other guy.
-Seeing as the female population does not have balls, you may think that they don't have to say Balls Out...but they do...they are not above the Balls Out Law!
-The final and most important rule...
If you lose Balls Out then you must do the unwanted task, do not complain about it...you lost, so man up and get the job done!
Person 1- Balls Out to cleaning up those dishes!
Person 2- Balls Out!
Person 3- Balls Out!
Person 4- Dammit! Now I have to clean the damn dishes.
Person 1- Hahaha...yeah, ya do.
by Breid October 14, 2006
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By far the most extreme example of.
This is balls out the coldest day ever.
Your car is balls out the coolest.
by Chives November 26, 2003
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