Quadrapolitan
Not being satisfied enough with the classic 3 flavors of ice cream in a box of Neopolitan so you add an extra flavor of ice cream into your bowl.
"Man, this Neapolitan ice cream is missing something. I think it needs another flavor"
"Add some coffee ice cream and make it a Quadrapolitan"
"Add some coffee ice cream and make it a Quadrapolitan"