thunder pants 

Someone's under pants that contains shit

Dude did you see Brandon he looks he has thunder pants

thunder pants by kingsareus May 25, 2015

Thunderpants

A name given to an artical of clothing for people who fart very loud or have very bad gas.

"Stay away from Jim, he's wearing his thunderpants today."

"Thats what that retch is?!"

Thunderpants by bimmerjim May 13, 2005

Thunderpants

When a loud poot is muffled in your underpants.

Meg is clearly wearing thunderpants today, and it smells like satan's balls.

Thunderpants by Stacee2.0 September 13, 2015

Thunderpants

A person who makes a display of farting loudly, or trying to fart as loud as possible, perhaps by lifting one leg and wincing as they do it(Usually a male practice, of those aged about 14 to 20.

Hey, Thunderpants, cut it out man, my mom's downstairs and she will think I did it.

Thunderpants by Snodgrass December 19, 2005

Smiley Thunderpants 

Some one who frequently smiles and has a thunder-like presence who wears great pants.

Joe is a smiley thunderpants.

Smiley Thunderpants by iStoleYurVamps March 4, 2009

Thunderpant 

The anxious pant of a dog when thunder and lightning are in the neighbourhood.

There must be a storm brewing - Betty is starting to thunderpant.

Thunderpant by Sudo Cyber December 23, 2021