13th Floor 

Due to superstition in most countries about the number 13 being bad luck, this particular floor of a building is usually named the 14th floor by the elevator console.

Harold: I want to go to the 13th floor of this building.
Earl: There is no such thing as the 13th floor in this building.

13th Floor by Mojo Maniac August 8, 2008

13th r4nger 

Extreme F2p Pker and no-life trainer, uses range to melee switches to PK both in f2p and p2p Co-Leader of the famous Leet Team.

13th r4nger owns Meklomaniac.
13th ranger: Hai u! *switches to maul* CHACKASMACK! deadio.

13th r4nger by elvemage March 24, 2008

13th September 

13th September is when the dopest of people are born. You are really dope and everyone likes you. Good for you!

Person 1: Wow i really like them, how are they so dope?
Person 2: They were born on 13th September.

13th September by notoKiko October 31, 2019

13th grade 

a term used to describe the first year of school at the local community college. The term plays on the fact that students are going to school in the same town as their high school with many of the same students from their high school class.

She was supposed to leave for college in August, but then she got pregnant. I guess she'll go to 13th grade instead.

13th grade by thatswhat_shesaid January 13, 2011

13th January & September 

Abuse Yichao day

Look it's the 13th January & September , we need to abuse Yichao

13th January & September by Not Yichao January 13, 2022

13th Step 

For people who've really gone to 12 step meetings it's commonly known that the Thirteenth Step (really 13th step) is getting laid.

13th Steppin' is looking to get laid.

It can also inply that a 12-stepper is a Ho.

He out 13th Steppin' tonight.
She's 13th Steppin' him.
He's a 13th Stepper'.
Stay away from him. He's a 13th stepper.

13th Step by Phukk October 28, 2006

13th Stepper 

Somebody in AA who fucks newcomers

John Ziegler is a typical 13th Stepper

13th Stepper by Cristobal H May 25, 2010