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1. An asshole of a boss
2. an incredibly attractive female
1. On Starship Troopers the dumb blond guy yelled "WHATTA NUT BUSTER!" and got his ass kicked by this angry black woman who comes flying out of nowhere

2. My manager at Best Buy is total nut buster. In both forms of the word.
by Kruger 7 March 23, 2005
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2
A well-placed and extremely hard blow to the testicles. Done correctly, a nutbuster will incapacitate even the strongest man for several minutes. Best results are usually achieved with a kick, using the laces of any sturdy shoe. Other methods of nutbuster delivery include a baseball on the end of a rope, knees, or even a strong punch.
She gave me a nutbuster and I was writing in pain on the floor for 10 minutes.
by /\/\ October 12, 2006
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3
An improvised grenade made of a shotgun shell inserted into a length of tubing (cardboard, plastic, or thin aluminum) with fins attached to the other end, and a marble or ball bearing taped over the primer. The nut buster is thrown into the air and lands on the marble, firing the shell and spraying the area with shot.
During the riot, two men threw nut busters into the crowd
by Dr. Badwrench August 03, 2008
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4
1. when something bad happens to you and the pain that follows is worse than getting kicked in the nuts.

2. when something is hilarious and you can't stop laughing.

3. a hot chick you would love to get with.

4. when you joke or give somebody a hard time.
1. Willis just lost his tickets to the Super Bowl what a nut buster.

2. George Lopez's comedy is a real nut buster.

3. Amanda the chick with the double D melons is a real nut buster.

4. Jim was giving Donny a hard time about his car, Jim was being a typical nut buster.
by cardinal_fan October 27, 2004
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5
1. A screaming male orgasm
2. A person who makes excessive and unreasonable demands
The boss asked me to lick his boots clean after he walked through a field
of manure.
by symonsez March 28, 2003
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