Find yourself a plastic vat/tub/cistern/barrel. Fill with cold water and jump in.
Step 2 :
Let Fourier's Law of heat transfer take effect - "When there exists a temperature gradient within a body, heat energy will flow from the region of high temperature to the region of low temperature " - in plan speak "Chill".
Step 3 :
As the your body temperature falls and the heat is but something that effects other people enjoy yourself. Remember the water is your friend.
Step 4 :
Congratulations you've won the battle but the war continues.