Raj, Howard and Leslie
FLANK to the right behind the rocks.
The Big Bang Theory Season 2, Episode 16
We FLANK the Tennessee volunteers...
The Big Bang Theory Season 1, Episode 5
I've been told you're commanding
the left FLANK.
Game of Thrones Season 8, Episode 2
No, Fritz, I need you on my FLANK.
The Big Bang Theory Season 2, Episode 3