half-ass

verb

ˈhaf-ˈas 

ˈhäf-ˈäs

half-assed; half-assing; half-asses

transitive verb

slang, often vulgar

: to do (something) poorly due to lack of care or effort

In moments where you see your son half-assing something, it's important to call him out to ensure he's putting forth his best effort.

—Chris Illuminati

Word History

First Known Use

1954, in the meaning defined above