Top definition
An Internet pedophile. Predominantly uses sites like Youtube and Facebook to find, stalk and groom his victims.

A mellowb1rd will often create videos and pictures to lure young victims to him.
For Example:

"Dude, where's your sister?"

"She got lured and raped by a mellowb1rd she met on Youtube."

"Bummer."

"Yes, I did he did."
by Danjobob May 20, 2012
Get the mug
Get a mellowb1rd mug for your grandma Nathalie.