bert stare 

when someone gives you a certain stare that resembles berts stare from sesame street.

i walked by that idiot and bert stared him

bert stare by kmp123 September 4, 2010

Bertstare 

An implied facepalm, usually used in the form of "bertstare.jpg"; used when someone says or does something so stupid that words cannot describe how one feels, and a conventional facepalm is not worth the effort.

You: I don't take protein because I want to be all natural
Me: bertstare.jpg

Bertstare by Aryu Awayer June 1, 2010