Had I found myself standing there in my underdrawers, I don't think I'd have felt more naked.
From the thestate.com
He was wearing only his underdrawers.
From the online.wsj.com
She hung out the wash in the East Room so critics would not ridicule the sight of the President's underdrawers flapping in the breeze.
From the time.com
Too many missed tackles like a greased-pig chase, too many missed assignments, too many defensive backs left with their underdrawers faked all the way down to their ankles.
From the al.com
More examples
Drawers: underpants worn by men
Undergarments or underwear are clothes worn under other clothes, often next to the skin. They keep outer garments from being soiled by perspiration, urine, semen, feces, and other discharges; shape the body; and provide support for parts of it. ...