sell a buick

It means to throw up and comes from the sound Bu.....ick.

Usualy an admonision not to throw up at a party, "No Buicks sold on the premisis"

by Laenas October 14, 2004

sell a buick

(slang) the act of regurgitating, or vomiting

"Tom is outside on the lawn, selling a buick"
"We partied so hard that Jay had to run to the bathroom to sell a buick"

by Mingo April 12, 2006