noun (used with a plural verb)
Examples from the Web for underpants
Later in the day, it was alleged that the child was wearing her sundress, but that her underpants were missing.
I recently heard a political commentator mock Mormons for the underpants some wear under their clothing.Democrats Have Bigger Anti-Mormon Problem in Election Than GOP Has|Peter Beinart|April 23, 2012|DAILY BEAST
Leno held up a video of the would-be Weiner dancing in his underpants for the audience to see.
David Letterman introduced a new segment called "What's in Anthony Weiner's Underpants?"
Game six saw her jump up on the bed, remove her underpants, and do a little dance before sitting back down.
In underpants, she went into the small bathroom, washed cosmetics from her face and brushed down her thick, short hair.Rebels of the Red Planet|Charles Louis Fontenay
She snuck up behind him and dropped a handful of gravel down the gap of his pants and into his underpants.Someone Comes to Town, Someone Leaves Town|Cory Doctorow