Double piston
When a man or woman puts both of there fists inside a butthole or vagina and moves in conjunction While one fist moves down the other goes up. Like a engine piston.
I was screwing my wife last night and decided to give her the double piston elbows deep.
Double Piston Chesty
Application of aerosol deodorant with a blast under each armpit followed by a slash across the chest.
Come on, dude, we're going to be late to meet the chicas. Finish getting dressed and let's go!
Okay, just a quick double piston chesty and I'm ready.
Okay, just a quick double piston chesty and I'm ready.