one-and-done 

An athlete who spends one year in college befor moving on to professional sports.

Your take on recruiting "One-and-Dones" - I have seen a few interesting points on both sides of this argument on various boards, aso I thought I would make a place to consolidate them. What is the take on KU going after some guys that will likely be moving on to the NBA draft after one season in college? - CBSSports.com

one-and-done by Kim Dammers June 11, 2009

one-and-done 

A single-dose vaccine shot -- unlike the two-dose vaccines from Pfizer-BioNTech, Moderna and Oxford-AstraZeneca.

Breaking news: “Experts on the one-and-done advantage offered by a COVID-19 vaccine”
The ease of distribution offered by a single-dose shot and its ability to be stored in a regular fridge are among the new vaccine’s biggest strengths

one-and-done by humblepiece April 27, 2021

One-and-Done 

In marketing and sales, when someone makes only one attempt to achieve a goal when experience dictates that multiple attempts are needed.

Doug never successfully reaches prospects on the phone because he has a "one-and-done" mentality.

One-and-Done by SINJim May 17, 2020

one and done 

One shot and its over. No need for a second shot. This term is used both literally and figuratively.

The intruder broke through her door and she fired her gun. Her aim was on point. It was a one and done shot!

one and done by talk2me-JCH2 May 8, 2021

One and Done 

To sleep with someone once and that's it. Usually done to someone you're just not that into or has 2+ brat kids you can't afford or don't want to take care of. A one night stand, same as "hit it and quit it" and "fuck and chuck." Named after the NBA rule.

George Clooney and John Mayer are famous one and doner's.

Ted:"Man I wish I could go out tonight and pick up some strange but the wife is up waiting with the kids."

Bill:"Screw all the drama, taking care of kids, expense and sexual monotony a relationship is..I'm a one and done kind of guy!"

One and Done by T0mmyd October 16, 2013

one and done 

When a group of co-workers go to the local bar for 1 drink after a long work day. One and done's usually involve trash talking and extremely inappropriate conversations that make other people at the bar feel uncomfortable. It is very common that the participants of one and done will have more than just one drink. However, the term was created to make people feel better about their life choices

Hey Bob, one and done after work?

one and done by AA is for Quitters August 7, 2016

One and Done 

The action of leaving the lobby in a Fighting Game like Street Fighter or Super Smash Bros after winning 1 time after losing consecutively against the same person. Hence the name- "One and Done"

*Player 1 beats Player 2 8 times in a row. Player 2 then wins game 9 and leaves the lobby instantly after the win.*

Player 1: "Lmao the One and Done"

One and Done by Yukari Takeba December 29, 2019