|1.||Half past caffeine|
Approximately half an hour after caffeine o'clock, at which point a visit to the bathroom is commonly required.
Often a forgotten consequence of caffeine o'clock, half past caffeine tends to become pressingly apparent to the victim at a most inconvenient time.
Supervisor: Where do you think you're going? You just had your coffee break half an hour ago!
Victim: Yes, which makes it half past caffeine! Oh god!
The time at which caffeine is required to commence or continue mental and/or social function. Most common towards the end of the week or during a night shift.
See also "half past caffeine"
Person 1: "You've been staring at that screen for an hour, and haven't done a thing. You know this work's due in an hour right?"
Person 2: "Yeah, I got like four hours sleep and can't concentrate. It's definitely caffeine o'clock."