It really depends on the track but mostly it just kinda swings around and changes to the beat.

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Electronic Night Life
<3

up and down bouncey

neck forwards and backwards like a chicken

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sempre contra a corrente do jogo

Every up and down. this threat is so funny. hihihi

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30.01.2010 X-Qlusive Heathunterz

I do the P. Diddy head bob with my arms crossed.

Yea, uh-huh, bad boy, yea...

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depends on how hard i'm stroking it, which varies with the tempo, generally.