A happenstance in intercourse where the woman is on top of the man, where the rhythmic thrusting causes the woman's breasts (and therefore, nipples) to rotate in a circular pattern, like the twin blades of a chinook helicopter.
(past tense) Man, I fucked her so hard that her titties chinooked!
by truth_R_consequence September 10, 2008
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1. The largest and most prized species of salmon. Also known as Spring, King, and Tyee...Chinook Salmon can grow to weights exceeding 75 lbs.

2. The name for a winter weather phenomenon specific to a region of North America, close to Calgary, Alberta, Canada. A result of warm, moist air from the Pacific Ocean moving over the mountains of British Columbia then descending quickly down the eastern side of the Rocky Mountains, relative ambient temperatures can increase by 30 degrees celsius overnight and last for a day or more.
1. If ya wanna fish for Chinook, ya gotta got to the Queen Charlotte's...I tell ya, ya throw back anything less than 50 pounds.

2. Thank god this chinook came through when it did, Steve, it was getting so damn cold I thought my left nut was going to freeze solid.
by petabo August 13, 2006
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basically, its another name for King Salmon which is the largest species of all Salmon and can weigh from 25lb to 75lb or more.
Chinooks are usually entering the rivers and streams around Pulaski N.Y. to spawn. This is called the chinook run or salmon run
by Salvito March 16, 2009
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A sexual technique similar to Helicoptering, in which two men rotate their flaccid penises smacking the recipient in the face.
My buddy and I are going to Chinook her for her birthday
by chucklz February 14, 2008
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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 20, 2004
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to shank/kill/maul someone, pronounced shinook and said really fast
by thechosenone3141 May 24, 2007
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