
Same as all of us,
getting out of a car without UNDERWEAR.
The Big Bang Theory Season 8, Episode 7

I need a change of UNDERWEAR
just thinking about that.
The Big Bang Theory Season 12, Episode 15

a new pair of UNDERWEAR,
just in case.
The Big Bang Theory Season 12, Episode 2

You wore UNDERWEAR? You fool.
The Big Bang Theory Season 5, Episode 11

...but turned out to be
Howard's mom's UNDERWEAR.
The Big Bang Theory Season 6, Episode 6