October 1st Share definition Flag October 1st is the National Get Your Partener Out for Coffee Day, meaning that you have to go out for coffee or a date no matter the circumstances. Gf: Hey, it's October 1st! Bf: and? Gf: You don't know? Bf: No, what is it Gf: We're breaking up. October 1st by TsukiiLmao September 17, 2022 Get the October 1st mug.