It's straight, it's in a LOOP,
The Big Bang Theory Season 11, Episode 13
A LOOP counter and an escape
to the least objectionable activity.
The Big Bang Theory Season 2, Episode 13
- Uh-oh, he's stuck in an infinite LOOP.
- I can fix it.
The Big Bang Theory Season 2, Episode 13
...she's unjustifiably arrogant
about LOOP quantum gravity...
The Big Bang Theory Season 2, Episode 2
What about LOOP quantum gravity?
The Big Bang Theory Season 7, Episode 20