When someone makes an awful joke or references something which no one understands, so the group of lads say "Gud 1 Jan" in order to show that it was incredibly dead banter.
"Why did the console peasant cross the road? To render the buildings on the other side."
"Gud 1 Jan"
today is the start of no nut november also if you haven't grabbed a girls ass today is the daymy guy it doesn't matter what happens afterward its worth it
Girl: so today is november 1 wanna have sex?
Boy: babe but today is the start of no nut November!
Girl: so
Boy: sorry baby but no
the day where all the big dong chads were born. also it is believed that there was a chosen baby that is a sick cunt and gets all the babes and is the equivalent to god.
person 1: Damn did he just jumped out of a building while eating a kebab?
person 2: holy shit he did, bet he's born on September 1