f.i. or f.o.
Fit in or fuck off is when you’re told to be like the boss or you’re gone. It’s like being forced to be a clone.
My boss told me, 'Fit in or fuck off, or I’ll make you a clone.'
At the meeting, the boss said, 'Fit in or fuck off, or I’ll replace you with a robot.'
My coworker got the message, 'Fit in or fuck off, or I’ll make you my slave.'