The Soft Nut Share definition Flag When a man's masturbated so many times in a day that he can no longer get a full erection, but still manages to ejaculate. "Dude, the soft nut is my favorite nut to bust." The Soft Nut by BlasphemingGod November 3, 2013 0 0 Get merch Get the The Soft Nut mug. Buy Now — $32.95 See more merch