Nothing turns you on more than the low rumbling of gas pushing it's way out of her luscious fat body. You can't help but get rock hard as she chugs that 2-liter down bloating her round belly. It builds and builds, churning away until she erupts with massive deep belches followed by moans of relief. Soon she can't stand the pressure of her waistband and pulls her skin tight leggings down to release her soft heavy belly. It droops so perfectly down between her thighs and you need to be near her. Sliding down between her legs you look up at her past bulging stomach as she continues downing her soda and releasing more loud burps. Her belly swells as she rubs it pushing and squeezing it to release all that gas.