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\shə-ˈnu̇k, chə-, -ˈnük\

1. To have sexual intercourse with two pilots simultaneously.
"We were about to chinook Marlene on Saturday night, but we bailed out for fear of touching rotors."
by Rummspringa May 11, 2009
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2
When you're fucking a busty chick missionary style and get the rhythm going just right to get her titties swinging in a circular motion, like the blades of a Chinook helicopter.
Chinooks inbound - check your 6, bro-pilot!
via giphy
by magicmike2016 November 21, 2016
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3
To those making sexual definitions about this, you are the most retarded dudes I have ever met. A Chinook is a heavy, dual rotored transport helicopter that has a top speed that is almost 200 MPH. Primary use is to transport infantry and/or vehicles. In Call of duty they have replaced the little bird helicopters for the care package delivery. it is slower and is a bigger target in BO so one can shoot it down and steal the package.
*random black ops game*

Me: aw yeah, got the care package

enemy: *shoots down chinook*

Me: you son of a bitch!
by Ultimate_Zealot August 09, 2011
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4
The female equivalent of the Helicopter. When a woman spins her breasts around like the two rotors of a Chinook
"Damn dude, she spun her tits like a Chinook yesterday at the party!"
by TheProgrammer March 24, 2014
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5
A rotary winged aircraft (helicopter) produced by Boeing/Vertol, it is very distinctive, having two counter rotating rotors rather than the main rotor/tail rotor setup of most helicopters. A powerful heavy-lifter, the first version introduced during 'nam could carry about six tons, the latest versions (e, f) can carry over twelve. The aircraft is designated CH-47. (CH stands for Cargo Helicopter)

The sound of a chinook is very distinctive, like some enormous jackhammer, a penetrating basso thunder that can be heard miles away, and makes the earth shake when the aircraft passes close by.
The platoon was flying into Iraq on a ch47 transport.
by Dirge September 19, 2004
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6
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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7
A warm wind that comes in over the Rocky Mountains and melts the snow in Calgary, much to Edmontons chagrin.
Damn chinook, melted everything south of Red Deer!
by Weens September 10, 2005
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