The effect of THC on the neck muscles offing only two comfortable and easily held positions of the head: thrown back (like if you were standing and staring up at the sky) or limp (like resting your chin on your chest to nap).

PS: You may not understand if you aren't high.
"You wanna do some head hingin', I got a dub sack?"
by meepree and skinnybitch July 18, 2007
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