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.
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