one step 

One step is a term used in basketball referring to when a player, by a sudden change of direction or some form of quick dummy (faking move), causes their defender to take a step in the wrong direction thus allowing the attacker to beat the defender.

"That crossover gave john the one step"

one step by kendle_cranks2 June 18, 2006

one sided hookup 

When your partner receives sexual pleasure from you and doesn’t return the favor.

Person 1: Man, what happened last night?

Person 2: I brought this girl home and did all kinds of stuff to her then she rolled over and went to bed!

Person 1: She one sided hookuped you!!

one sided hookup by C Willis November 30, 2006

one-arm joint 

A coffee or donut shop, especially one with a counter.

They're called one-arm joints because you only need one-arm to eat.

one-arm joint by P Brain January 3, 2008

one deezy 

A nickname for popular boyband, One Direction on the X factor

I'm voting for one deezy tonight

one deezy by pdizzle101 December 9, 2010

One way ticket to Burlington 

Something a person does or says which definitively proves that one is homosexual (gay marriage being legal in Vermont).

I wasn't certain, but that shirt just brought Greg a one way ticket to Burlington.

One way ticket to Burlington by Icepick Trotsky June 20, 2011

One second 

n.

An unstandardized unit of measurement commonly used to describe a period of five or more minutes.

In the public restrooms
Guy#1: Hurry up asshole, I ain't got all day!
Guy#2: Just one second, goddamnit, I'm almost done!
(20 minutes later Guy#2 leaves)

One second by Wunt sum sawwwce? August 8, 2014

One-time 

People who enforce the law.

It's the one-time, let's get out of here.

One-time by CoolTaco21 September 20, 2015