Transvent
The act of changing from "windows down" to "air conditioning" within a vehicle or vice versa. The act is usually used when a motor vehicle enters a highway and the sound of rushing air through the windows is causing inconvenience to occupants ears.
... John and Charlie are driving in John's car, John steers the car onto an on-ramp to the local highway travelling north...
John: "We had better Transvent"
Charlie: "I'm on it"
... Charlie winds up the windows and turns on the A/C.
John: "We had better Transvent"
Charlie: "I'm on it"
... Charlie winds up the windows and turns on the A/C.