half-assedly

He half-assedly struggled for a bit, squirming until he was horizontal, but then gave up and went limp.

Then, smoking thoughtfully, he listened to the radio and allowed his eyes to drift half-assedly around the landscape as he drove the fifteen or so miles to Dona Luz.

Of course Clifford Stoll was an aging hippie too, and he had busted the Chaos Computer Club, a group of German hackers who weren't doing anything but breaking into mickey-mouse American systems and trying rather half-assedly to sell the information to the KGB.