Dirty Thermometer Share definition Flag (Termometro sporco) The sexual act of going from anal insertion to oral insertion while climaxing. It took some convincing but in no time at all I was giving her the Dirty Thermometer Dirty Thermometer by Jo Nathan "Girl Pants" Millner March 12, 2015 0 0 Get merch Get the Dirty Thermometer mug. Buy Now — $32.95 See more merch