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3.
To strike a male in the groin as a form of horseplay.
"Dude, I nutchecked Miguel so hard he fell."
"Nick P. tried to nutcheck me, but he missed and hit my thigh."
by Jav July 08, 2004
 
1.
An unexpected hit in the jewels.
Man, yout crzy dog just nut checked me. He's lucky I don't monkey punch him.
by P August 24, 2003
 
2.
1) A violent slap, punch, or kick to the pubic area that causes extreme pain and usually results in spontaneous ejaculation without arousal.

2) Checking a fine bitch you meet at the club to make sure she ain't a man. Also accompanies an Adam's Apple check.
1) That bitch stole my girl so I nutchecked his punk ass.

2) when I nut checked that ho I met at the club I felt some nuts so I shot her fuck ass.
by umean2tellme January 04, 2004
 
4.
A check received from the state, for a person that has been diagnosed mentally unstable.
The man was in a much happier mood leaving the bank since his nutcheck had cleared.

The woman was over joyed since her nutcheck had arrived in the mail.
by swedish-american December 01, 2011