When you Nut and it stuns the victim like a flashbang grenade. Or when you nut in their eyes and get outta there fast.
Jimmy: "The other night I pulled a flash nut on this bitch I met in the club."
Tommy: "Oh shit how fast you run doe?"
Tommy: "Oh shit how fast you run doe?"
by Heinrich Memeler August 12, 2017
(transitive verb) To obscenely expose one's testicle or scrotum to another, either by pulling up one's shorts or by other means. A nut-flash is typically meant to frustrate or surprise the victim.
(noun) The action of nut-flashing.
(noun) The action of nut-flashing.
Spencer: (To Lauren, aggravated) Laurrennn! Cooper nut-flashed me!
Cooper: No I didn't! I was only itching myself!
Cooper: No I didn't! I was only itching myself!
by Mezzo7 September 3, 2012
by Samwiz June 18, 2023