Top definition
A term used to describe the utter urgency sometimes experienced when one must imediately evacuate their bowels.

An extreme shit attack.

Blosion= butt explosion
Following dinner with his in-laws at a popular restaurant Clyde excused himself for the blosion of his life.
by Digger15 July 10, 2012
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2
When a thing, action or experience is of a very high quality.
Man, that concert last night was sooo BLOSION!

Dude, this steak is BLOSION!

Hey, pass me another beer out of the cooler. The one I just finished was BLOOOOOSION!
by Haud January 18, 2013
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