When you walk up behind an unsuspecting person and go on your toes, stiffen your back, and flap your arms to a 30 degree angle. If you do this after you jump in the air, it's called Flying, Angry Peguining. Like planking but you need another person to do it to.
I was walking in the mall and this guy was Angry Penguining this store clerk. Man it was so funny, he never knew what was going on behind him!
by darth maul September 27, 2012
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