An exclamation of when the penis becomes erect and is pulled from the inside of one's underwear for viewing. It is a term that is generally used by the driver in the front seat suggesting that his friend is ready for horseplay with his bitch in the backseat.
Mike: Hey Tony, so that was some concert, huh? Boy, that Blue Oyster Cult can rock, man that cow bell was..was..what the? (twists head to the backseat) COCK OUT! COCK OUT!
When departures or arrivals are busy as fuck, and polish lot and british are coming in late and the office girls and supervisors make you stay manditory overtime but you clock out your timecard really quick and sneaky like and run to catch the amc bus before anyone notices you clocked out early
You should "cock out" before they make you do air indialocals.
12 step recovery jargon referring to someone new who talks about how great life is, now that they'resober. Usually meaning that the person is out of touch with reality.
The new guy seems pretty happy for a dude who has no job, no money and no family. He must be on a pink cloud.