September 10

National liars day. 66% of pathological liars were born this day

Most liars are born on September 10th

by pejeh September 9, 2025

December 10

National slap ass day

On December 10 you get to slap anybody you know on the ass 😏

by Yea ma’am December 10, 2021

December 10

The day where everyone has to be completely quiet during 5th period/block/class.

Teacher:Wow today is quiet....

Student:*whispers* it’s be quiet during 5th block day. It’s December 10!

by thatonekidinhonorsbyaccident December 10, 2019

Windows 10 Effect

When someone uses a garbage operating system for so long that they get used to its crap factor and consider it good.

Guy: I'll never upgrade to Windows 11, Windows 10 is way better!
Doctor: You seem to be under the influence of the Windows 10 Effect, Windows 11 is the same shit. I'd recommend switching to Linux or macOS for a change.

by wordsarecooliguess823913 April 10, 2025

December 10

December 10th is national kiss your bestfriend day

Kiss your bestfriend on the lips on December 10

by Super dummy duper blitz December 9, 2021

10 finger dunk

After you’ve used all 10 of your fingers to get a single woman to climax

Jane glowed and exclaimed “Tom gave me the 10 finger dunk and knocked the cobwebs out last night.”

by Tomandjane September 26, 2021

December 10

Kiss you're crush/bf/gf and tell them they are amazing

Gimme a kiss

No why
Its December 10th

by Haiboi December 9, 2019