because you no longer
wear UNDERPANTS.
The Big Bang Theory Season 5, Episode 4
It's where your UNDERPANTS live.
The Big Bang Theory Season 9, Episode 10
Instead of UNDERPANTS, I covered
my crotch with potato salad. Thoughts?
The Big Bang Theory Season 3, Episode 15
Uh, no. We lock that door,
lower our UNDERPANTS a little,
The Big Bang Theory Season 10, Episode 8
I own nine pairs
of UNDERPANTS.
The Big Bang Theory Season 7, Episode 1