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

But I don't want to know
how many UNDERPANTS you own.
The Big Bang Theory Season 7, Episode 1

let all the boys see
my UNDERPANTS.
The Big Bang Theory Season 5, Episode 1

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