flimsy balls 

The feeling of adrenaline in a man's ballsac. Very highly likely in situations like standing in substantial heights, riding roller-coasters, getting into a fist-fight or approaching that one chick that is way above your league.
It may be the key-reason of male-behavior.

Steve: "Bro, you have to talk to that girl over there before someone else does."
Tyler: "Nah Bro, even thinking of that gives me flimsy balls!"
Steve: "Yeah, it's like your balls are in a roller-coaster, I love that shit."
Tyler: "You're fucking weird Steve."

flimsy balls by disnig April 21, 2018