National Slap Your Older Twin Day, occuring annually on
April 17, gives the younger twin a free pass to slap their older twin. Maybe it's
pent up resentment for being
beat out of the womb, maybe it's just for fun, either way: they're free to slap.
"
My twin slapped my today, but it's okay because it's
April 17, so it's national Slap Your Older
Twin Day, and she's the younger
twin"