for all someone cares

Meaning

for all someone cares

expresses that someone does not care at all about some hypothetical situation becoming reality
He can gamble away his last penny for all I care.
My mother could have left me standing out in the cold for all my father cared.

Source: en.wiktionary.org

Synonyms

for all of someone as far as someone is concerned

Words in the phrase

for all someone cares

Close letter words and terms

for all one is worth for all one knows for all practical purposes for all that for all the world for all the world to see