On October 4th, anybody who has a younger sibling can slap them, and they cannot fight back, cry, or complain. They must accept the slap.
Synonyms for Slap Your Younger Sibling Day
On this page, you will find 30 slang terms related to slap your younger sibling day. Some of the top words include: Ten thousandths, sister fister, slapula, beatdown, jallop, and 25 more.