birthaversary

A misspelled concatenation of "birthday" and "anniversary", primarily used by illiterate slobs.

Happy Birthaversary to my sweet BFF!

by GrammerCat January 9, 2009

birthmate

A friend or acquaintance who shares a birthday with you; ideally the exact same birthdate, including year.

My friend Tamara and I are birthmates because we were born on the exact same day.

by deviant85 January 14, 2009

Waldorf Birthmark

A term used to define a tattoo that a girl gets on the small of her back. Maryland regional variant of the Tramp Stamp.

Also known as a Dundalk Birthmark

That girl over there has a Waldorf Birthmark,she might as well say she's putting out.

by Hunter Keeler May 7, 2008

Birthnaversary

Celebrating both a birthday and anniversary on the same day.

Mary's birthday is Dec. 16th and she also got married on the same day. Today she is celebrating her birthnaversary.

by RChikofsky October 14, 2011

Birthvalersary

Where you can be a tight ass and get away with buying one present instead of 3 for your wife in the month of February, when it’s her birthday, Valentine’s Day and wedding anniversary.

Happy birthvalersary wife, here is your gift!

by Endeavour1 January 30, 2020

Birthcake

Giving birth on a cake, while unconsensually getting fucked in the ass by a dick covered in candle wax

Man: Hey, because of you giving birth, would you like to take advantage of the situation and do birthcake?
Woman: What's birthc-
Man: Great!

by Og_dude November 29, 2016

Birthmasukkah

When one has a birthday close to Christmas, so presents are spread out over multiple nights from one's birthday to Christmas, similar to Hanukkah.

Person 1: Dang, that sucks for her. Her birthday is so close to Christmas that she doesn't get many presents.

Person 2: Don't worry about her. She celebrates Birthmasukkah .

by German Juice December 1, 2009