The vigorous shaking back and forth of ones head after a particularly unsavory thought, as if to shake the image away.
"Dude, I totally walked in on my mom and dad Doing It!"
"At least it wasn't your Grandma and Grandpa!"
vigorously shaking head back and forth "Ewwww!!!!" *mindshake*
The act of making posts of random letters to Facebook while your "Smart"phone is in your back pocket.
Mary Smith
eaaeismo
2 hours ago via Blackberry -Like-Comment
Oh, look, Mary's Facebutting again....