Bowl Buster 

A massive dump that, with its girth, breaks the toilet bowl.

"John, What are you doing?"
" I have to replace the fucking toilet. Amanda had Indian food last night and laid out a real Bowl Buster."

Bowl Buster by Bryan Hodges April 13, 2008

Bombay Bowl-Buster

a large, dense turd, named for it's likelihood of knackering your bog and usually caused by the ingestion of spicy Indian food.

Phil: I tell you what mate, I had a banging shit after that curry last night. It nearly cracked the porcelain!

Mike: Bombay Bowl-Buster was it?

Bombay Bowl-Buster by TomD4Eva May 21, 2008

bowlbuster 

a much larger than normal bowel movement

Man, I must have lost 10 pounds after that bowlbuster!

bowlbuster by A.Nuss November 16, 2011