Whether they're your boss, your flatmate, or your partner, if they cannot physically speak to you until only the dregs of their coffee remain, one of our fill line mugs is the way to give them a much-needed shot of laughter in the morning. There are four designs to choose from with various one-liners at different levels until Bingo! they are ready to be spoken to - and you won't feel like you're about to be cut in two from their death stare eyes.