playin' some mario

cheating on an affair with a member of the same sex,
while defeating Bowser.

"Dude, Anna and Kira are gonna be "playin' some mario" this weekend ;) ."
"That's hot, doesnt Anna have an affair going on already?"
"Yup, shes gonna get on him while they're defeating Bowser."
"Those are some hot chicks."
Yeahhh."