It means to go to the bathroom to take a piss or to take a shit.
I'm gonna go hit the head. I should be back in about three minutes.
by SR Mamun April 2, 2021
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Pissing, urination, the act of excreting liquid waste in males
"I was just hitting the head."
by doom suckle October 26, 2007
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For a girl to give a man oral/head.
Steve-Yo that girl over there is a freak.

Terrance-Yo do she hit the head.

Steve-Yup
by Noah Da Boa June 24, 2006
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A fake, phoney-bologna totally fictional jingle one might sing when they have to use the toilet or urinal.
{Sung to the tune of the nursery rhyme, "The Farmer in the Dell"}:

I need to hit the head, ♫

♫ I need to hit the head, ♫
♫ Don't piss in the stereo ♫
♫ I need to hit the head! ♫
by Telephony April 6, 2017
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