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4.
While performing anal sex with a partner, you climax inside of the recipients anus. The by-product of that of which is released is considered "hazel nut"
Yo! I fucked that bitch in the ass. Then she shit out my hazel nut all over the bowl
by AssBlaster666 June 11, 2011
 
1.
A tattooed scrotum. Tattoo artwork on a guy's balls.
When I took that stud home that I met at the gloryhole, I was pleasantly surprised that he had a hazelnut of a snake! Pretty fucking hot!
by Wordmaster B January 02, 2005
 
2.
The edible nut of a hazel, having a hard smooth brown shell.
"I'll take my dry, double, soy, half-caff, with an add shot latte with a shot a hazelnut"
by cafjosh August 09, 2007
 
3.
A hazelnut is simply a Hater. Someone who hates on others and what they do.
Robz: I got some fire, hit me up.

Gabriel: Cron

Robz: Your a hazelnut
by slugster August 06, 2014
 
5.
Slightly racist way of imitating Native Americans' phrase "ehs, you know it". Common in the Dakotas.
Jaden: "Did you see those trashy nates?!"
Brock: "Hazelnut."
by DannyK June 01, 2005
 
6.
something very obvious.
1+1=2 is a hazelnut you bastard
by crunk m June 01, 2005
 
7.
Ejaculating on a senior citizen's face.
Todd: "What happened after you left the wedding?"
Eric: "I took Derek's great aunt back to her hotel and..."
Todd: "And what?"
Eric: "Hazelnut."
by WemerVshon March 07, 2007