look up any word, like sex:
 
2.
a male or female with extremely large testicles.
that matt parker, hes got right big nuts!!!
by matt and the winz March 16, 2004
 
1.
big balls
He's got big nuts.
by p'tainz April 16, 2013
 
3.
A person with huge balls.

One who has much larger nuts than other people.
"That guy Dave has some huge nuts"
by BIG NUTS January 14, 2005
 
4.
Someone that is not afraid.
Toby has bignuts he just went 140 on his motorcycle!
by Ms. T Long November 18, 2005