
Hung UPSIDE down
from the monkey bars,
The Big Bang Theory Season 5, Episode 1

to turn that frown UPSIDE down.
The Big Bang Theory Season 5, Episode 13

ls there any chance it's UPSIDE down?
The Big Bang Theory Season 10, Episode 15

There's no UPSIDE.
If you do well, no one cares.
The Big Bang Theory Season 8, Episode 3

You don't see them
hanging UPSIDE down
The Big Bang Theory Season 11, Episode 8