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Silver birthday

A birthday when the day of the week is same as the day you were born.
Silver birthday - for example,You were born in 31st July,on Friday and your birthday is on 31st July , Friday again!
by Miss malo June 28, 2025
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The Birthday Suite

A fabled spa/resort somewhere in the USA where, on your birthday, you get to relax for the whole day. You don’t wear any clothes from the time you enter to the time you leave, and you get to spend all day having sex with multiple partners and feasting on Little Debbie snack cakes.
Where the hell is Tim?

Oh, he’s over at the Birthday Suite. He’s turning 41 today.
by Big Buck Johnson July 23, 2025
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Eighteenth Birthday

The age at which a girl is just old enough to have sex with an older man without him becoming a registered sex offender.
"Hey, its my eighteenth birthday! Now I can hook up with DILFS!"
by dilflover67 September 19, 2025
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Duplex Birthday

A birthday shared by two siblings who were born two years apart on the exact same day
Me and my sister have a duplex birthday. We are twins, but born two years apart
by Mrs birthday October 3, 2025
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Alabama Birthday Party

A situation that devolves into a fight when there is no reason for it.
We went to our cousins first communion and it turned into a real Alabama Birthday Party when her parents got drunk and starting fighting after.
by Candyapplesnatcher October 5, 2025
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Sapphire Birthday

A Sapphire Birthday is a once-in-a-lifetime birthday that occurs when a person’s birth date matches the full numeric year of the calendar.

It marks a rare moment when time “echoes” your birth, often symbolizing reflection, completion, and the beauty of aging with clarity and depth—much like a sapphire, which represents wisdom, truth, and enduring strength.
For example, someone born on February 26 celebrates their Sapphire Birthday on February 26, 2026—the only time their day and month align exactly with the year itself.
by kim1champ February 6, 2026
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Amethyst Birthday

When the date of your birthday matches the last two digits of the year
My birthday is on the 26th of August and it’s 2026! It’s my Amethyst Birthday!
by wafflefries45 February 16, 2026
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