Verb
pour down the drain (third-person singular simple present pours down the drain, present participle pouring down the drain, simple past and past participle poured down the drain)
(derogatory, idiomatic, transitive) To waste prior work by subsequent bad decisions.
James, how much more do we pour down the drain? Source: Internet
Sprinkle it on virtually any surface to remove tough scuff marks and grease stains, pour down the drain to unclog, use it to refresh the fridge or scrub stainless steel and tarnished silverware to make them sparkle. Source: Internet