Must-be meaning "Must Be Nice" derived from B.C. days dating 2008 to 2010.
Sources confirm that the expression came from Jeffrey Johnston's work ethic.
Applicable when:
ISRs come in late,
ISRs leave early,
ISRs take time off,
ISRs take a 2-hour lunch,
ISRs get a commission check,
ISRs take 2 lunches for the day,
ISR sales-kick offs,
If you are Jeff Johnston, Zadies for the ladies or Joe Lando
Working at a steakhoue
if you have Bill Ng's job or tattoo
A phrase normally used when an outsider tells you somethingcrazy that just happened but in actual fact it is a common occurrence in your strange fucked up life and just like any other day.
Phil - "Holy crap! Geoff just tripled himself in the middle of the parking lot!"
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.