Top definition
A person or person's arse with the ability to fart loudly or buttrumpet at will as if by magic. A finely honed skill of sucking air into the arse to trumpet out.
'Woah, Barry's got a magical buttrumpet!'
'Yea it's incredible'
by Unkle Funk April 14, 2008
Get the mug
Get a Magical buttrumpet mug for your bunkmate Zora.