When you have to pee very bad and can't get to a restroom so you padlock and let loose in your ass to hold it until you make it to the bathroom so you can shit it out like diarrhea. This may dislodge fecal matter and come out in spurts causing your ass to have a machine gun effect while shitting.
Levi what the hell happened to your toilet? Joseph you won't believe this. I couldn't make it home in time so I padlocked and pissed in my ass. As soon as I got home I couldn't hold it in my ass any longer and ended up hydro dumping all over the toilet.
I'll be right back, gotta use the dump chair real quick.
A shit so massive it goes from one end of the spectrum to the other. It typically starts off as a dry, hard bowel movement and ends in diarrhea.
Person 1: I was on the toilet for 20 minutes...
Person 2: Constipated?
Person 1: Nah, just took a rainbow dump... It kept coming.
When your girlfriend dumps you because she is more into her dog than you.
I cant believe I just got dog-dumped!
The act of defecating in a taxi cab.
John forgot to drop a deuce at the club, so he was forced to take a taxi dump on the ride home.
The feeling you get when you realize you need to go dump.
"Man, I have dump tingle."
"Yuck, go to the toilet then dude!"
Act in which an individual releases any bad feelings, traumas, events that marked his life in a bad way or other situations towards another person, usually friends or close people. Typically, brain dumping gets used to release anger, sadness, etcetera.
Person 1: Usually when things go to best to worse, I log on forums full of people I don't know and start brain dumping all over people that don't know me and make them my therapists.
Person 2: Fuck you saying.