a chongover is the equivalent of a hangover but comes from a heavy night of smoking weed. you wake up the next day still feeling extremely bleary eyed and unable to move from bed.
The ridiculously horrible hangover from drinking chang beer, a local beer in thailand. rumored to have formaldehyde, drink this and you shall live on forever..
When one is in the act of switching over from working overnights to working days. Usually denoted by terrible sleep patterns during the day, evening and night.
Kyle worked his last overnight shift of the week last night, and is doing the change over cha cha for work tomorrow at 8 am.