A box of rocks 

Used when referring to someone who is clueless,stupid, or just plain dumb.

Damn,that boy is as dumb as a box of rocks.

A box of rocks by Bill/K4FLH May 27, 2008

dumber than a box of rocks 

when ur pretty dumb. my mom says this to me all the time.

Ur dumber than a box of rocks
-what?
shut up dumbass

dumber than a box of rocks by barbarino April 18, 2005

dumber than a box of rocks 

Phrase describing a person who lacks the collective intelligence of a box of rocks; possibly a bit more intelligent or a bit less intelligent than a person who is dumb as a rock.

John lit a match so he could see where the gas was leaking out; he's dumber than a box of rocks.

dumber than a box of rocks by Rocky Balbowa December 20, 2007

Dumber than a Box of Rocks 

That guy name Jake from Rocket League

Jake is dumber than a box of rocks on any game we play

Dumber than a Box of Rocks by Thatboiinblue February 23, 2021

Dumber than a box of rocks 

Anyone who needs this definition. I mean, it’s stated in the name. Dumber than a box of rocks refers to people who are cocky, but extremely dumb.

“How many planets in our solar system are there?”
“I think like… 17? Yeah.”
“Holy crap, they’re dumber than a box of rocks!”

Dumber than a box of rocks by EmoMediocreBoi April 19, 2022

eat a box of rocks 

this means you are stupid, as in you’re stupid enough to eat a box of rocks

person 1: “you’re an idiot, f*** you!“
person: “oh go eat a box of rocks, asshole.“

eat a box of rocks by stickyicky December 18, 2021

dumb as a box of rocks 

See "dumb as a bag of rocks" ... my deceased dad used to use the term alot.

You're about as dumb as a box of rocks ... /duh!

dumb as a box of rocks by Hippy420Lover53 May 14, 2018