" one-on-one "

 [ "one and one and one is three" ]

1: Really pointless Beatles lyric from "Come Together"

  * e.g.,  ... One and one and one is three! ... 

 [ "one on one" ]

1:  A game where the only opponents are two people playing against each other.

  * e.g.,  ...  Jack says to Tommy, "Let's play a game of one on one" 

 [ "one on one" ]

2:  Also know as speedballing; a mixture of cocaine and herion, most often injected.

  * e.g.,  ...  After getting out of lock-up, I said to myself, "I'm 'bout ready to head downtown and gets me a one on one!!" 

 [ "one on one" ]

1: BASKETBALL, where you (and only you) play against one other person

  * e.g.,  ... I played against Santiago in a one on one basketball game 

 [ "one on one" ]

1: An informal code of street fighting, not allowing bystanders to interfere in the fight.

  * e.g.,  ... Hey bitch-ass, let's square it up one-on-one in the midldle of the street! 

 [ "one and one" ]

1: a bag of heroin and coke together.

  * e.g.,  ... i wanted to do a speedball so i told my connect i need a "one and one" bag. 

 [ "one on one" ]

1: san francisco bay area slang for a combination of cocaine and heroin, aka a "speedball". a hit of tar heroin and powder cocaine sold together on the street for $10 to $20.

  * e.g.,  ... if youre in a san francisco neighborhood such as the mission, and you hear a guy calling out "one on oners, one on oners", hes not challenging you to a game of basketball. 

 [ "one for one" ]

1: In paintball, when a player on one team and a player on the other team mark (shoot) each other at the same time, therfore resulting in a "one for one", one player is eliminated with another player from the opposing team.

  * e.g.,  ... Larry ran to bunker Steve and Steve shot Larry as Larry shot Steve. The ref couldn't tell who shot first, so he called a one for one. 

 [ "one on one" ]

1:  When you go from dating someone to being in an exclusive relationship.

  * e.g.,  ... Friend 1: Dude, when are you guys gonna go one on one? 

 [ "one on one" ]

2:  Becoming someone's boyfriend or girlfriend.

  * e.g.,  ... Friend 2: I'm not ready for a relationship yet. 

 [ "one on one" ]

1: when your boss invites you to a business lunch.

 [ "one on one" ]

1: The phrase that people say that suck at everything but is the best in their little village where they live when they lose in a team-based. Normally followed by a really bad yo momma joke.

  * e.g.,  ... John: God dude, you really suck at everything.