BFST

Because Friends Stick Together

"So it was Johnny who robbed the store? Why did you run with him? You could've gotten away"
"BFST man."
"What?"
"Because friends stick together."

It's from Doctor Who (2005), Series 2, episode 4, approximately 5min, 17 sec in. Mickey's poster on the wall:
Because

Friends

Stick

Together

by skyslightsnow May 16, 2020