The bathroom, particularly the one where you would poop.
I am about to hunker down in the ol thunder closet and launch a big ol steamy sewer pickle.
A noun used to describe a person who rushes into abnormally stupid activities or situations he/she has no cause to be in or ability to successfully negotiate. i.e. one who "thunders" into stupid shit like a dumbass, hence the term. Usually reserved for those who are dumbasses to such a high degree / perform acts of dumbassery on such a regular basis, they require their own classification.
Al: "I'm going to go fight in a martial arts tournament on Tuesday."
Sal: "Dude, you've never taken martial arts before. You'll get your ass kicked. Why are you always looking for a fight?"
Al: "Nah man I'll fuck up anybody who tries that Judo shit on me"
Sal: "Stop being a thundering dumbass. Just have some drinks with the boys instead."
Al: *proceeds to get his ass kicked on Tuesday*
To blow a load so hard that yo balls hurt.
You know that shits good when you thunder nuttin. And damn my balls hurt
A thicc girl with thunder thighs, and a crusty asshole that has a heavy stench of dry shit. The smell is much more potent when the girl has swamp ass and the sweat moisturizes the shit. Girls like this have poor hygiene, and typically don't shower in the morning.
Guy #1: Damn dude I fucked this chubby girl last night, but I couldn't finish cuz it was so hard to put my dick in and her asscrack smelled horrible!
Guy #2: Damn dude I can't believe you fucked a crusty thunder.
A person with a severe case of Diarrhea.
I've been thundering yoohoo since I ate that cheap Chinese food last night.
Damn! That Teddy Red Fox brought home the Ninja Thunder