slack-jawed idiot

A lazy, shady character that's unconsciously incompetent.

He think's he's "the man", but everyone else sees him as being a fool.
Just look at mike! That slack-jawed idiot doesn't even have a clue!
by Robertrvw March 20, 2016
mugGet the slack-jawed idiotmug.

Slack-jawed idiot

Anyone posing for a clickbait Youtube thumbnail.
No that's not a good pose you slack-jawed idiot.
by BlitzofChaos July 12, 2021
mugGet the Slack-jawed idiotmug.