The day to check your friends dick. Tell your friend to snap you a pic of their dick and they have no choice but to send you a dick pic.
EX: Yo alix send me a pic of your dick its october 19th. Ok
THIS ONLY APPLIES TO GIRLS. This is the day that is dedicated to NOT showing your guy friends your vagina or boobs. This applies to all girls!
EX: Rebecka show me your boobs. NO, because its october 19th... haha