Head Chief Mother Fuck What Am Totally In Charge. This is like the head honcho, the big guy in charge of almost everything. May be used to refer to your boss or even your boss's boss.
I have to have this memo on the HCMFWATIC's desk before 5:00PM or I am toast.
The HCMFWATIC has to approve and expenditure of this magnitude.
A friend says a silly joke and hits you with the punchline after you could not figure out the joke. You cover your face while shaking your head in shame or in embarrassment.