\shə-ˈnu̇k, chə-, -ˈnük\

1. To have sexual intercourse with two pilots simultaneously.

A term used to reference cannabis/marijuana/weed.

The Chinook is when two guys stand next to each other and do the "helicopter" with their penises.

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.

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.

The female equivalent of the Helicopter. When a woman spins her breasts around like the two rotors of a Chinook

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.