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someone who doesn't know anything; someone who doesn't use his brains or just too lazy to do it.
Dave work on the project. You are such a peabrain!
peabrain by azile February 24, 2007
Related Words
well peabrain is basically an insult to descride an unintelligent specimen or human
"shut it, you stupid peabrain"
peabrain by kenny mcgill April 26, 2005

pestament peabrain 

There goes Caden, such a pestament peabrain.
pestament peabrain by Peabrain November 11, 2020
someone who's brain is made of mushy peas,
Miss Peabrain i love you

peabraining 

When someone is being a simp , bitch , idiot , slut, wanka or just annoying. Or when you want to confuse someone by telling them to stop peabraining. It has no meaning then.
Stop peabraining.
When someone has the brain the size of a pea. Or when someone is just being a little bitch.
Shut up you fucking peabrain.
peabrain by maymayamyagay May 5, 2020