1) Pull out some dollar bills
(any denomination) from your wallet.
2) Stick them one by one in your pants
with it. (preferably after you have been doing some extraneous activity that causes the area to sweat
3) go to a gas station to purchase an item with the "cock dollars
4) After your purchase and the exchange of your "cock dollars", you have the satisfaction that the clerk has "your nut sack juices
" in his/her hands.
We used slightly moist cock dollars to purchase the munchies for us and the gas for the pinto-mobile.