Define Looking Dumb Meaning

Somebody Once Told Me The World Was Gonna Roll Me I Aint The Sharpest Tool In The Shed She Was Looking Kind Of Dumb With Her Finger And Her Thumb In The Shape On An L On Her Forehead.
The first verse of the song "Smash Mouth" by "All Star"

"Somebody once told me the world was gonna roll me i aint the sharpest tool in the shed she was looking kind of dumb with her finger and her thumb in the shape on an l on her forehead."
Bob: "WHAT IS THIS?"
Sharyl: "GOD'S SINGING VOICE"
Bob: "AHHHHHHHHHHHHHH" *eyes melt out of head*
By Elle
Somebody Once Told Me The World Was Gonna Roll Me I Aint The Sharpest Tool In The Shed She Was Looking Kind Of Dumb With Her Finger And Her Thumb In The Shape On An L On Her Forehead.
The first song of the verse "All Star" by "Shrek: The Movie"

Somebody once told me the world was gonna roll me i aint the sharpest tool in the shed she was looking kind of dumb with her finger and her thumb in the shape on an l on her forehead.
ORly bro
By Pam
Looking Dumb
Giving the expressions/impression that you have no intellectual thoughts

"looking very dumb today ash"
Ash looked as if he was away with the fairies, he was looking dumb
By Charline