1. To complete a job to a very poor standard.

2. To start on a job and not...

Half Arsed (UK) aka Half Assed (US)

"From the latin Halficus Arseicus meaning British Builder"
by Sir Dale esq August 22, 2006
Get the Half Arsed mug.
Adjective:

of thing, person, or effort made:
Deficient in quality, strength, or motivation.
A: "You're half-arsed"
B: "No, You're just too anal"
by J13X December 23, 2006
Get the half-arsed mug.
Verb - Meaning to go about a designated task in an obvious and intentional half-arsed manner, with the expectation of having someone more motivated or capable step in and take over, and never being entrusted with such tasks ever again.
Woman to friend: "I don't know why I bother asking my insert either: Son/Husband/Brother/Housemate to help with insert either: cook/clean/laundry/chores etc, they'll just fart around Half-arsing it so that I take over in frustration and finish it properly, or have to do it all over again anyway."

Mother to Son: "Can you please help fold and put away your laundry?"
Son to Mother: *sighs* "OK..." * scrunches laundry into a ball and stuffs it in a drawer.*
Mother to Son: "you know what? Just get outta my way and quit Half-arsing around. I may as well just do it myself."
by Joools November 28, 2022
Get the Half-arsing mug.