You wake up early in the morning with VERY bad gas, and go and sit on the couch in the living room. You start ripping deep looong bubbly farts into bed mattres.  Your step-son is still in bed jerking off to the sounds and you’re calling him to get up for school.Eventually he gets up. While he’s in the bathroom getting ready you continue to belt deep melodic gulpy farts.Today is an especially gassy day for you, and you even impress yourself with the tones you’re achieving. You’re trying to hold back a bit because you don’t want to turn him on too much as he must get to school. It’s to the point where you wish he could stay home to experience it but he’s ran out of sick days and must attend school. Eventually he leaves for school and you’re finally alone to fart as dirty as you wish.  You sit there all alone in the living room and belt out the longest most melodic farts one after the other, in the legs crossed ladylike position, even impressing yourself with the sounds.   Few minutes later you realize his foot sticking out and realize he skipped school again and is under the couch listening to your gulping bubbly session!  Instead of calling him out, yelling at him and embarrassing him for skipping school again to listen to his moms farts, you decide to teach him a lesson.  You play it off as if you don’t realize he’s under the cushion, as if you’re all alone. You give him the biggest fart onslaught of his life.  One after the other you continue to blast the seat cushion with ultra bubbling super long gulpy farts.   He doesn’t want to give himself away so he continues to stay quiet under the couch.  Little does he realize that you actually know he’s under there, so you fart yourself silly like a crazy woman making him cum over and over and over again.