December 18

National annoy Isabella day

Isabella: hey stop annoying me
Me: why? It’s December 18th

by Jessiecahh October 28, 2019

May 18

Today is clean you window day...

Today is clean your window day. Just go out and clean ur window. It’s probably dirty and you haven't cleaned it. This day was created by mr.burns (may 18)

by Ui38 May 18, 2021

October 18

The one day of the year where you can both grab a guy’s dick, and a girl’s ass instead of having to wait for the consecutive days

John: Dude it’s October 18th.
Sam: *grabs his dick*

by Peeper_ October 15, 2019

oh 18?

Expression said by a person who purposely mistakes the opposite sex's age.

Hey girl, how old are you?
I'm 16- oh 18?

by Galbert-Kun April 23, 2009

Dec 18

December 18th is actually Billie Eilish’s birthday so yeah

Person 1:Omg it’s dec 18

Person 2: what does that mean?
Person 1: IT IS A GODS BIRTHDAY

by WOW_LOL_FML December 2, 2019

F-18

Charlie Sheen's fighter plane of choice that most of the time--including naps--he claims to be when destroying you in the air, or deploying his ordnance to the ground.

"Most of the time...I'm an F-18, bro." - Charlie Sheen

by That's So Taguchi September 21, 2011

18 dummy

getting extremely stupid drunk off of 1800 jose cuervo tequila, usually pertaining or related to the hyphy movement through slang, music, or more.

"Damn yo, Robby is getting hella 18 dummy dog."

by joey corr May 10, 2007