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1.
To make an irrational verbal attack on someone.
Mike got home late from work only to have Nina totally nut off at him, thinking he was cheating on her; she only shut up when he showed her the design he had to create at short notice.
by aum108 March 06, 2011
9 6
 
2.
The act of comparing the reproductive organ, testes. The man said to of had the biggest nuts by group consensus is the nut off winner. A common game played whilst intoxicated at sausage parties between young men who wished to prove themselves to be the sex-king of the world.
David your nuts are massive compared to my sultana's, you are the nut off champion.
by Trooper October 12, 2005
4 10