squander (something) on (someone or something)
To waste some resource by using it for the benefit of someone or something. I can't believe I squandered the best years of my life on you! So you're telling me that we squandered half a million dollars on a new infrastructure that is already outdated?
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
squander something on someone or something
to waste all of something on someone or something. I am tired of squandering money on this rickety old house. I squandered a fortune on Roger and what did it get me?
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.