Top definition
1) A silent but deadly (SBD) fart that is so horrific in smell that it will peel paint off the walls.

2) A whale of a fart that has a powerful and poignant stench.

Pronounced Boo-Lee
"Icki dropped ass and tilted the stench meter to the Boulley setting."

"Scotty-Bob barked out a dead chipmonk boulley and cleared the room of humans and insects".
by Mr. Doobie May 21, 2008
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug