National Sex Day

The day where everyone that has over 1,000 karma on reddit disappears.

Normal Human Being: "Hey in 5 seconds it's gonna be National Sex Day!"

Reddit mod: "Well tha-"

by Someguyusingurbandictionary December 26, 2025

Dai Tung Fu

Refers to a Chinese restaurant located in New York City; abbreviated as DTF

"Hey dude, wanna go to the city this weekend and go DTF (Dai Tung Fu)?"

by xylosaur December 28, 2025

International Chest Day

January 1st of every year

Hey Nash, “Do you know what today is?”

“What January 1st?”
“It’s international chest day.”

by Lu sasllll January 1, 2026

Anne’s Day

Anne’s Day is an early postwar Japanese euphemism for period, that came in after WW2 and yet would be supplemented by Sailor Moon related euphemisms in the 1990s and beyond.

Anne’s Day is named for the late Anne Frank, an icon respected by casually pragmatic feminists.

by Snapper2001 January 2, 2026

Great Time-A Day

A surprise of sorts wether good or bad, mostly good

Her top falls off and he says “Greeeaat Time-A Day!” Hence Great time-a day but real country like

by Peekaboooooo January 2, 2026

Back in the day

Back in the day when everything was better. Usually used by older people sitting in house parties, reminiscing about the old days!

G- “Adelle, remember back in the day?”

Adelle “G, let it go mate” hahaha

by Oddy the oddball January 5, 2026

Get Railed in a Replay Way Day

January 9 - Get railed like you did in the good old days without upping your body count. Hookup with your bestie, ex, or FWB until you're both soaked.

On Jan 9th, Drenched Dave did not disappoint when he came up to celebrate Get Railed in a Replay Way Day with Kim-Tossable.

by DrenchedD January 9, 2026