a bluetooth headset in some ones ear.
bluetooth guy: "Yes Jim, We are hitting an all time record on the charts! We should celebrate with crumpets and tea my lad."
random guy: "Hey dude, are you talking to me?"
bluetooth guy: "No sir, I am not, I am on the phone."
random guy: "You don't look like you're on the phone, pull that Monkey Dick out of your ear you fag!"
bluetooth guy: "Oh my, how atrocious you are! *faints*"