noun. A room in which nerds vape together with the doors and windows shut so the room fills up with thick clouds of water vapor. Commonly used for taking selfies in the cloud, and crowd sourcing a sense of belonging and coolness.
by alexwells5000 November 18, 2015

When on a hot summer's day, while on a drive with a friend or family member you roll up the windows and lock'em, after that you put the heaters on full blast and rip major ass.
I was on a drive with my buddy yesterday and I Afghani hotboxed his ass. I don't think he'll drive with me again
by Thomas the rail gun December 23, 2022

Its when you sit in bathroom and fart . Unil the fart and steam mixture is equal . then inhale deeply and try not to vomit .
by Lj1885 September 16, 2020

Hotbox day will be on October 22
Hotbox day is where whenever you smoke you have to hotbox wit a homie are you down?
Hotbox day is where whenever you smoke you have to hotbox wit a homie are you down?
by Stonerofthewest September 3, 2021

The act of a women running on the beach for a long period of time then going to the car spreading her legs and letting the sweating queef pour out
by nou123134 July 9, 2018

"Hey Dez, what's up?"
"Not much, Marvin just did the german hotbox on me yesterday after going to Chipotle. My car still smells like tacos and shit."
"Not much, Marvin just did the german hotbox on me yesterday after going to Chipotle. My car still smells like tacos and shit."
by futureshards May 23, 2020

by Llamazilla October 19, 2016
