because you no longer
wear UNDERPANTS.
The Big Bang Theory Season 5, Episode 4
"Leonard will restrict video gaming
in UNDERPANTS to hours Penny is not home.
The Big Bang Theory Season 10, Episode 13
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
But I don't want to know
how many UNDERPANTS you own.
The Big Bang Theory Season 7, Episode 1