Birthdeath 

Birthdeath is a word that can be used as a verb or noun. It basically means the sudden beginning and sudden end of an event, reltionship, etc. As a verb the term "Birthdeath" can describe how a event, relationship, etc. is or was. It's a strange and difficult word to put into context but will eventually be assimilated into the human language.

"How was the party, man?"
"Man, it birthdeathed its way into a terrible memory of mine"
OR
"How was your day?"
"A total birthdeath!" (Meaning your day went quickly)

Birthdeath by spideygal19 April 18, 2007

Birthdeath 

The specific intense hangover felt after going out for someone’s (or your own) birthday.

“Emily went on a 12 hour bender for her 25th; safe to say she had a wicked birthdeath the next morning”

Birthdeath by FitzSimmons1101 May 8, 2025

Birthdate

The date on which one was born.

The birthdates of Dominican baseball players can be difficult to find out.

Birthdate by Diggity Monkeez May 20, 2005

birthdayhole 

When someone has you do things for them on their birthday.

Johnny: "Tomorrow is my birthday, where are you taking me to eat?"

Dave: "With that attitude, you'll get the dollar menu! Birthdayhole!"

birthdayhole by RealEyeBrows July 21, 2016

Napoleon has birthdate and we ain’t eating cake

When you are with a girl and she shows signs and celebrates but you still get no pussy

Kas***: Bro I am with Tze** for the past 5 months but I still get no pussy
Nik***: Napoleon has birthdate and we ain’t eating cake

Napoleon has birthdate and we ain’t eating cake by Tzeni Dimopoulou April 9, 2022

birthdater 

Someone who has sex as soon as they reach the age of consent; aka a barely legal person

she texted him as soon as she became a birthdater

birthdater by invert cattso January 31, 2019

Birthdatly 

There is a day each year where people celebrate their date of birth. This is the birthdatly

"Did you wish Micah a happy birthdatly?"
"Yeah man, I was part of his surprise Birthdatly Party!"

Birthdatly by Bartholemew Bubbleson September 23, 2020