1) After a sporting activity to remove one's cup form its jock-strap and place it over another teammates facelike an oxygen mask forcing them to breathe in your ball sweat. Often used as a concequence for a bad job during play of the sport, or done to the team bitch for laughs
Eric sucked it up during the game, so when we got into the lockerroom I was obligated to give him a massive coxygen.
A female, often young, whose interests involve staying in at night in comfy clothes and watching chick flicks (often in oversized comfy clothing usually belonging to the cosy girl's boyfriend).
Paul: Hey there's Chloe, I wonder if she's any fun.
Owen: Nah, I hear she's a cosy girl