Much like a woman is beaten in the face with a dick while cockslapped, the chinook is for role-reversal.

A chinook occurs when a woman tit-slaps a man in the face, or when a man's face is between two large, round, vuluptuous breasts and decides to shake them side to side.
"Don't get chinooks from big jugs - you can lose an eye that way!"

- Jon B.
by Tomek September 21, 2004
Get the chinook mug.
to shank/kill/maul someone, pronounced shinook and said really fast
by thechosenone3141 May 24, 2007
Get the chinook mug.
A clever euphemism for ploughing your girlfriends ass full of rock hard cock.
"There's nothing more macho than landing a helicopter in your girlfriend's back yard, that was some good chinooking!"
by Andrew Lander April 21, 2008
Get the chinooking mug.
Two individuals with a penis, counteracting their exposed cocks in synchronous alternating directions (without touching), resembling the rotation of the blades of a Chinook helicopter.
Dude bro, is it gay to Chinook with another dude, bro?
by Cock Blogger March 13, 2022
Get the Chinook mug.
v. The act or result of penetrating a woman with such vigorous upward force that it causes her breasts to rotate rapidly, one clockwise, one counter-clockwise, as if helicopter blades on a Chinook helicopter. The act may be referenced both by the giver and/or the receiver, and is only applicable when employing the cowgirl or reverse cowgirl sexual position.
Dude! Last night I was Chinooking her so hard I thought she was going to fly away!
or
My tits hurt from all that Chinooking backstage at the Buck Cherry concert!
by Adman330 June 23, 2011
Get the Chinooking mug.
The Chinook is when two guys stand next to each other and do the "helicopter" with their penises.
Hey, did you see our Chinook last night?
by JJiggyG September 29, 2017
Get the Chinook mug.
While playing the game WipeOuT online, there are times where you may feel your head starting to ache.
This symptom should be your first signal that a Chinook is approaching.
As your blood pressure rises, your vision begins to blur; and then you hear "Contender Eliminated"
Before you could make it to the next shield rejuvenating big red X . . . .you have been DESTROYED.
As hard as you try, you can't catch up to the other pilots & ultimately finish in last place or worse: DNF
This is what it means to be "Chinooked"
I was playing WipeOuT last night & Kronic Chinooked this guy so hardcore he rage quitted.
by Luedism January 4, 2014
Get the Chinooked mug.