
It's where your UNDERPANTS live.
The Big Bang Theory Season 9, Episode 10
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"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

I own nine pairs
of UNDERPANTS.
The Big Bang Theory Season 7, Episode 1

because you no longer
wear UNDERPANTS.
The Big Bang Theory Season 5, Episode 4