The thing that most american sherlockians don't realize is, in England "trousers" are "pants", and "pants" are "underwear". John isn't talking about Sherlock's pants he's talking about his underwear. One of my favorite scenes.
Sherlock ruining John's date. And seriously someone call RSPCA Sherlock needs to stop abusing a small mouse.GROSS mouse In the blender! ( "Would anyone care for a mouse milkshake it's on special") would seriously be the next text!