#1

also known as number one

means to take a pee.

cf. #2 or number two

Joe: I gotta go over to those bushes.
Jill: why?
Joe: I gotta #1

by fifteen minutes September 8, 2004

a-1

(AKA A number 1) Of the highest rating.

This steak is really A-1!

I would like to get an A number 1 secretery for a change.

by Jekaterina April 19, 2006

1*

literally pronounced as "one asterisk";
meaning "one ass to risk"
--risking your own ass to help others

used mostly as a sign-off, the way some people say "one love"

by Dr. Phil April 19, 2005

1

one not 2

1

by a person that hates minecraft November 4, 2020

a-1

a-1 is pretty pure, good cocaine. this slang originated in the bay area of california.

Damn, I was blown of that a-1 yola.

by THE BAYS QUEEN ERICA January 11, 2006

A 1

Delicious steak sauce

You can't have steak without A 1

by HarmBabe July 13, 2009

1

The first "real" number in mathematics. Also seen in large quantities in posts by authors who have forgotten to hold down the "Shift" key.

OMG j00 ju5t g0t pwn3d 81tch11111111111111111111111111111111111

by EJL November 25, 2004