Not The Brightest Shelf On The Knife Edit Meaning

1.

One who is not the prime example of human intelligence; idiot

Bob: Did you see Lisa fall down those stairs?

Dan: Yeah, she totally tied her shoes together!

Bob: Wow, She's not the brightest shelf on the knife.

See idiot, baka, moron, dumb, smart, intelligent, genious, stupid, worthless, pathetic, useless, loser, winrar, winnar, winner, beast, beastly, bright, sharp, dull, asinine