a national day which is celebrated by your girlfriend texting you back. originating in Ancient China, the eskimos believed in spirits that will posses those who do not stick to their commitments (ie: texting back u stupid fucking diabetes dead pancreas headass)
by lisa277 October 15, 2019

by no_big_deal November 27, 2021

Girl 1: "Did you hear about national big back day being October 27th?"
Girl 2: "Woah, that's my birthday. What the fuck?"
Girl 2: "Woah, that's my birthday. What the fuck?"
by Sandermybeloved July 14, 2024

Referring to a past time in a person’s life who is at least 30 years of age, or older. Cannot be used by anyone under the age of 30 years old.
Back In the Day, we had no way to check in, or be checked on if we were outside, or away from a landline phone.
by RedCheshireBird June 26, 2019

by dirtydusse December 9, 2021

Feburary 11th, slap people in the back of the head day. You can sneak up on them and slap them on the back op the head.
by ImWolfieBoy February 11, 2022

A day where all your built up emotions and feelings just come out. At first you feel blem , then it hits you. The fact that its one of those days to realize who and where you are emotionally.
by Zimba phire September 23, 2019
