Half-assed File

: Dictionary records formally track the usage of "half + ass + ed" as an adjective beginning in the early 1960s. Diverse Perspectives on Half-Assing

: One popular theory suggests it evolved from "half-adz," an adz being a curved woodworking tool. Wealthy clients would pay for a fireplace mantle to be shaped on the front (the visible side) but left rough on the back to save money, resulting in a "half-adzed" job. Half-Assed

The term's roots are debated but often trace back to the mid-19th century: : Dictionary records formally track the usage of