What is Head Rush?
1.
after sitting for a short or long period of time then standing up will most likey get you a head rush, a rush of very extreme dizzyness.
Jim:"whoa whats wrong?"
Greg:"Major head rush!"
2.
smoking just enough
"Let's toke up man!"
"No way dude, we don't have enough to get stoned"
"We can still pack a mighty fine head rush though man!"
"I'm down."
See
3.
Erection that catches you offgaurd, normally triggered by extremely attractive women.
"Dude did you see that girl?, Man I just got such a head rush."
See