to be understanding/concentrating on something really well
Dude, I was totally on the ball in chemistry class today!

Yeah I got an A+ on my test yo, I was on the ball that day!
by Dasha March 3, 2005
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Why the fuck are you searching up balls idiot!Balls are something you don't have.
Guy 1:Wanna hear a joke?
Guy 2:Sure..
Guy 1:Why didn't the clown juggle at the circus today?
Guy 2:I don't know
Guy 1:Because he didn't have the "balls" to do it.
Guy 2:Mom you can't make jokes..
Guy 1 (mom):I made you.
Guy 2:Fuck you
Guy 1(mom):I will
by Bitzboy May 17, 2017
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I'm hungry as balls!
It's hot as balls in here!
That show was loud as balls.
by dokkus August 21, 2005
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1. A man's testicles where sperm is produced.
2. Courage or bravery.
3. Manliness.
4. Something yelled to shock people.
1. During oral sex Jackie licked Ed's balls.
2. He didn't have the balls to jump off a three-story platform into the water.
3. He may look sexy, but Dereck doesn't have balls.
4. The boy said to his grandmother: "Balls!" And she passed out.
by Anonymous June 29, 2003
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To full of money,
To be rich.
Yo, dat ricer is balling.
by Anonymous June 27, 2003
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Dude, are you gonna make that jump with your bike
i'll try
you gotta have the balls to do that
by funnyman21224 July 31, 2010
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when someone doesn't have the guts to do something.

For effective use: obnoxiously yell “NO BALLS” when someone is attempting to explain their reason why not to do something totally stupid.
nikkii: "but i don't want to eat an ant"
hanch: "NO BALLS!!!"
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