A man with a small but enthusiastic penis. We're talking 4 inches and below. It won't break the bank but it will shake the timbers.
He had a thunder Thimble but he still made my legs legs shake.
She didn't hit the bottom, but her Thunder Thimble hit the bull's eye.
She didn't hit the bottom, but her Thunder Thimble hit the bull's eye.
by Can I Get U Off? July 11, 2020

When you slide down a bowling ally and take a shit during the action of sliding or at the end. Clothing is optional.
by Connor Scott January 11, 2014

When your piss is so strong people waiting outside the door to use the bathroom can feel the floor vibrating from your piss hitting the toilet water.
"Thunder. Thunder! THUNDER PISS!"
"Man, Joe must have had a thunder piss. I felt it in the living room"
Thunder
Piss
"Man, Joe must have had a thunder piss. I felt it in the living room"
Thunder
Piss
by Pleasures Your Mom October 6, 2009

A woman's breasts. Popularized by The Simpsons on Season 24 Episode 7 " The Day the Earth Stood Cool"
by Spaceghostpurp January 25, 2015

noun: the greatest action flick ever. No hesitation, never surrender, no man left behind. From the "Thunder Gun Express" episode of "Always Sunny in Philadelphia"
verb: used in a variety of ways, but mainly to denote overcoming an obstacle, to win, or be triumphant.
verb: used in a variety of ways, but mainly to denote overcoming an obstacle, to win, or be triumphant.
1. We need to hurry up, Thunder Gun, the greatest action flick ever, starts in five minutes and we might miss it!
2. "We're never gonna make it, we're stuck in traffic"
"Just Thunder Gun the curb!"
2. "We're never gonna make it, we're stuck in traffic"
"Just Thunder Gun the curb!"
by SkeetSkeeter December 23, 2011

a person who has reached the pinnacle of douchebaggery. Imagine a douche flowing with the force of an atomic fire hydrant. That, is a Thunder Douche. First coined by ShayCarl of YouTube fame. It should always be capitalized.
A man who throws a woman against a wall, saying "look what you made me do" and later "forgiving" her for it establishes him as a Thunder Douche of epic proportions.
by Pipistrello January 17, 2009

by MissyAnn March 16, 2017
