Definitions by Twinklebabe

Grotty Botty 

To have the shits

Jamie drank so much last night, he's got a grotty botty this morning!

Grotty Botty by Twinklebabe February 28, 2009

Bum Explosion 

When one needs the lavatory immediatley or one will cak shit their pants.

"Jamie had too much dodgy beer, he's now gonna have a bum explosion"

Bum Explosion by Twinklebabe October 19, 2008