You should pack a 'change of underwear'. [=additional underwear that you can wear at another time]
He answered the door 'in his underwear'. [=while wearing only underwear]
(..) And when the hours and one second is over, I'm gonna loosen your belt, then take off your pants... - No. - Then your underwear. No, no, stop. - Then suck your lollipop. - I'm serious. Oh, fuck. I thought you said I (..)2016 TvShow: Shameless Title: Swipe, Fuck, Leave Season: 7 Episode 2