3. Tearing Up Lois' Carpet
In the episode "No Meals on Wheels", the Griffin family sell an antique 18th century Rhode Island ship token for $50,000 and open up their own restaurant with the cash they receive. They find the the token under their carpet, after Lois asks Quagmire to tear it up - which, typically, gives his dirty mind the completely wrong idea about what she was asking for. The coin comes to light when Quagmire removes the last bit of carpet, after having asked Lois if she wants a lightning strike or a unicorn design in her carpet, and calls it a Brazilian.