not know one's arse from one's elbow

āχāĻ‚āϰ⧇āϜāĻŋāϤ⧇ "not know one's arse from one's elbow"āĻāϰ āϏāĻ‚āĻœā§āĻžāĻž āĻ“ āĻ…āĻ°ā§āĻĨ

not know one's arse from one's elbow
01

to show a great lack of intelligence or poor judgment

{not} [know] {one's} arse from {one's} elbow definition and meaning
āωāĻĻāĻžāĻšāϰāĻŖ
Do n't take his word for it — he does n't know his arse from his elbow.
LanGeek
āĻ…ā§āϝāĻžāĻĒ āĻĄāĻžāωāύāϞ⧋āĻĄ āĻ•āϰ⧁āύ