XL 

Someone who is under the impression that they are holier than thou, cool, or tough.

"Imma kick yo ass!"
"Eaaaasy XL"

XL by P. Money December 29, 2004

XL 

Model designation for a Harley Davidson Sportster motorcycle.

XLCH
XLH883
XLX
all examples of different Sportster models

XL by Dr. Badwrench July 10, 2006

XL 

1. to excel

2. something bigger or more impressive than normal(from an an abbreviation for the clothing size made for large or overweight people)

3. slang for Xbox Live

If you don't XL a music how come you are so good at reading it?

XL by The Return of Light Joker April 25, 2008

xl 

XL is used to spice things up. you know... things sound boring when its just a plain name. with XL it makes things alot cooler.

Turkey--> Turkey XL
Loser--> LOSER XL
George Bush--> GEORGE BUSH XL
Im so hungry--> IM SO HUNGRY XL
That is so cool..--> That is so cool XL.

xl by SomeGuy XL January 2, 2005

XL 

A combination of the recreational drugs, ecstasy and LSD.

Dude, have you ever taken XL?

XL by Bud Blazin Buddha February 16, 2009

XL 

You know they don’t call me that for nothin

( ͡° ͜ʖ ͡°)

XL ( ͡° ͜ʖ ͡°)

XL by XBL0_0 January 10, 2021

XL 

Short for excel.

More for use with taking notes as opposed to spoken word.

Its everyones job in school to XL.

XL by Todd December 15, 2004