A holiday celebrated on February 14th by eating an entire gallon of ice cream.
Allison: "Happy Gallontine's Day Nicole! Would you like to come over and celebrate by eating an entire gallon of ice cream?"
Nicole: "Do we have to share a gallon of ice cream between us?"
Allison: "Don't be silly! We EACH get to eat a gallon of ice cream, as the tradition goes of course."
Nicole: "Sounds great! I'll be sure to wear sweat pants!"