1P 

One-player

or

Player one

"Wanna play some halo?"
"I only have it for computer. Sry its 1P."

or

"Who's 1P? He's dominating"

1P by Rehan A. December 31, 2006

1p 

pronounced 'one-pee'

Term used by a group of people smoking weed to initiate a phase in which only allows one hit per time around the circle.

"p" stands for puff or pull off a joint.
"1" refers to the number of those puffs or pulls.
It usually begins when a joint becomes of roach, or has less than 25% of it's smokable content remaining.

Previously smokers would be taking two or three hits from the joint, however once 1p is initated only one hit is allowed.
It is done to save weed and to ensure that everyone gets an equal amount.

yo, 1p now.

1p by Occultaura February 14, 2010

1P.K.O 

One Punch Knock Out

When I get into the ring, I'll give them a 1P.K.O

1P.K.O by Mable Fudge October 21, 2012

1pang 

The act of snorting cocaine using a crazy straw.

I totally just did a 1pang last night with my crazy straw. The straw had so many curves man. It was crazy.

1pang by CassanovaYo November 15, 2009

1pick 

1pick, the name you hear everywhere and get reminded of a disgusting pedophile.

Did you hear about 1pick and how he groomed an e-girl named Ella?

Yeah, I heard he hangs around with a certain 15 year old Turkish girl aswell.

Disgusting..

1pick by JoeJohnathanJoyce21 January 25, 2021

1PP 

One Police Plaza: Headquarters of the New York Police Department. It lies in the heart of downtown Manhattan.

- Hey, I'd like to speak to your supervisor.

- You're going to have to go to 1PP to do that, bozo.

1PP by Dave-a-licious January 21, 2010

1pm on a Monday 

1pm on a Monday is a time that many words or phrases can not be said as is will make you turn into a shbamsical.

A- I’m chraaosing
B-A! Stop
A- oh no it’s 1pm on a Monday.

1pm on a Monday by Itellthetruthpeeps September 5, 2019