Slang word for diahrrea. A combination of the words butt and urine.
Man, after that greasy mexican food and Corona Light I have some explosive burine!
by Balls on Beercans September 23, 2008
synonym for diarrhoea
I ate a bad prawn, which resulted in my burine spraying EVERWHERE, it was ghastly!
by Jimmy Crickets February 28, 2010