When you take a dump, then when done before you wipe you look down and you see a volcano reaching out of the water, like some majestic mountain in the south pacific.
"I must have eaten some bad bbq last night. This morning after taking my normal dump. I looked down and saw a Toilet Volcano, steam rising from the water. I reminded me of of the last time I was in Hawaii."
by Manshoon July 13, 2009

by Shrek710 August 9, 2019

by Moshae Music June 9, 2010

Probably the most legendary character in Spongebob Squarepants, it's been in many episodes, but in the episode "House Fancy" he is in his true form, sadily he was dying.
by GlennQuagmire12345 November 20, 2019

Person 1- Man, I hate dropping a deuce because every time I do, I get that nasty splash back!
Person 2- Well, I invented Toilet Lining for that reason. MLIA.
Person 2- Well, I invented Toilet Lining for that reason. MLIA.
by MLIAuser November 27, 2009

When a single feces-creating episode produces enough matter to peek some amount of poo out of the water of a toilet bowl.
Note some toilets run pretty shallow and a toilet topper does not carry as much heft in such cases.
Note some toilets run pretty shallow and a toilet topper does not carry as much heft in such cases.
by hotbucketoffarts June 21, 2020

A rare phenomenon that a turd is so solid it stands up out of the toilet bowl only to collapse hit the balls and destroy everything in its path.
by Buford C Cabhash April 14, 2022
