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!
phrase used before the grand finale, the last attempt at something. generally only used to denote an upcoming epic or explosive event. it has particular significance related to the final, most explosive run of a show in marching band
Band director: Dump the Truck!
when the change in the ocean tides carries trash and miscellaneous objects up onto the beach
A girl is walking on the beach and sees a bunch of trash. She says "Wow! It must've been a dump tide."
shitting on the bare titties of your female friend before you fuck her.
hey Rudy, I tried that dunny dump you told me about on old Mary last night and she bout kilt me.
When one ingests large amounts of salad, shits it into their bed/resting place, and sleeps in it.
Hey, Dana, I had a bad day. I might be in for a salad dump tonight
When your stomach is gurgling as you poop.
After recovering from the flu, I shortly got a case of the rumble dumps.