piss something away
piss away
To waste something, especially in a very careless or foolish manner. A noun or pronoun can be used between "piss" and "away." I can't believe you pissed away our life savings at the racecourse. I had a lot of strings to get you a meeting with the CEO, so don't piss this opportunity away!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
piss something away
tv. to waste all of something, such as time or money. (Usually objectionable.) He pissed away the best possible chances.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.