A perverse sexual act in which an extremely obese female defecates on the chest of her male partner and then proceeds to wallow in the aforementioned defecation.
Dude 1: How come that guy is in the corner shaking?
Dude 2: Last night, some fat bitch gave him the Swedish steamroller.
Dude 2: Last night, some fat bitch gave him the Swedish steamroller.
by JackassNSlacker April 7, 2009