Half-assed

Don't do a half-assed job.

"Your language doesn't exist and shouldn't exist because there is no algorithm to solve this problem." "Interesting but my suggestion is that you take your algorithmic incompetence and shove it up the ass your political leader. He's the one who came up with this idea and he's the one who needs this type of pea-brained arguments to justify his half-assed political views."

He wouldn't want you to do anything half-assed.

Near-synonym: halfhearted

a half-assed attempt at something