piss 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!
See also: away, piss
Farlex Dictionary of Idioms.

piss away

Squander, waste, as in They've pissed away a fortune on those horses. This term uses piss in the sense of "discharge something as though it were urine." [ Vulgar slang; first half of 1900s]
See also: away, piss
The American Heritage® Dictionary of Idioms by Christine Ammer.

piss away

v. Vulgar Slang
To waste or squander something.
See also: away, piss
The American Heritage® Dictionary of Phrasal Verbs.

piss something away

tv. to waste all of something, such as time or money. (Usually objectionable.) He pissed away the best possible chances.
See also: away, piss, something
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • piss something away
  • P off
  • involve with
  • involve with (someone or something)
  • involved with
  • not do (someone or oneself) any favors
  • replenish
  • replenish (someone or something) with (something)
  • replenish with
  • load in
References in periodicals archive
The May issue includes more about Iraq in the same vein, including one by Khalid Shah called "The Bladder Theory of Power." Shah, an American citizen born in Pakistan who lives in Fenton, uses business writer Peter Lynch's "bladder theory of cash," which says that cash-rich corporations piss away their cash reserves by "diworsefying" into businesses they cannot manage well.
A wary eye. (Muslims)
So I invite the blue suits who think welfare families have enough to do the math, to budget it out, to adequately explain how we managed to survive for weeks on the same cash they piss away on one seafood dinner or cable TV or the latest Leo DiCaprio flick.
Enough ..