TV series example of the word

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

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

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

The Big Bang Theory Season 10, Episode 8
Uh, no. We lock that door, lower our underpants a little,

The Big Bang Theory Season 10, Episode 13
"Leonard will restrict video gaming in underpants to hours Penny is not home.