Conception day 

A party, celebrated in some parts of northern austria and southern germany, meant to celebrate the conception of someone. Usually celebrated smaller than a birthday or not at all, it is often an event in a familiar setting where sometimes the parents even give a quick speech.

Hey man, you going to Martins conception day?
Sure Ill be there

Conception day by Germinator21 December 27, 2022

Conception day 

Conception day, colloquially known as C-Day is a day celebrated in northern austria or southern germany, to honor a friends conception. All it usually involves is some friends, maybe some stories and food.

Yo, you coming to my Conception day this year?
Sure man, wouldnt miss it

Conception day by Germinator21 December 27, 2022