The last one means: 'Excuse me, [I am leaving now]'.
They're white.(Prank phone call!?) What color panties are you wearing? *heavy breathing*Wh...wha...what are you talking about? Leave me alone!When you're asking someone what color their underwear is, the correct first question is 'Are you wearing underwear?'!...Excuse me.When you're asking someone what color their underwear is, shouldn't you start by saying what color yours are?