A person with an over inflated sense of self-esteem There are secretly in the closet and are also constantly late showing up to places of employment and other important things Very unathletic as well. . Recently circa 2012, they are also the worst known drivers of cars in the Untied States.

lil mad is like big mad but the opposite, you mad but not mad to the extent of pullin somthin

A Berto is someone who enjoys and loves to eat cement. You can hear the crunch of a Berto from miles away.

The coolest guy in the world!

Penis,

A berto is a person that smokes weed and takes children home instead of his wife

Someone who looks like Bert from Sesame street and speaks Spanish.