maghanap ng salita, tulad ng blumpkin:
It's basically combining two words: retard and headbang. It's headbanging but looking like a complete moron doing so. It's something that you would make up if you were 11. (Like I did when I was 11...)
That's some straight up tardbanging right there.
ayon kay PowF3 ika-06 ng Marso, 2010