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