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1.
a condition where the testes satchel contains such a large quantity of semen, due to lack of sexual activity with the ladies, that its only purpose in life is to sag.
thats a massive case of sagnut!
check out the sagnut on that guy!
suck on this sagnut you son of a bitch!
by Angz September 11, 2007
 
2.
1)When the nuts of a man start to sag because he is getting to old to have nice none saggy nuts
2)When your ex-boyfriend starts going out with your bestfriend, this man is sag nuts.
Jamie-You wouldnt believe what just happened
Lauren-What? Tell me!
Jamie-My ex-boyfriend and my best friend are together.
Lauren-O my gosh, what a sag nuts
by fly_by July 17, 2008