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."