a brinston 

Drinking a mouthfull of beer thats results in vomiting for unknown reasons.

"Dude this is a good beer, (insert vomiting here)."
"Dude thats my new sweater that aint cool, way to pull a brinston ya douche"

a brinston by rasheeed September 7, 2007

A Mr. Branston 

a lesson that is badly taught.

Oh No, Miss Smith has done a Mr. Branston, she messed it all up.

A Mr. Branston by jordcressey January 20, 2011