another way of saying "fuck it we ball" or "yolo"
"do it for the one time"
Where you use something once, and it gets the job done.
David is a one shot sally. Damn this one gun in MW3 that only reloads once in a lifetime but kills a butt load of kids in one shot is a one shot sally.
One-downing is simply the opposite of one-upping.
Also known as a "race to the bottom." This tactic is used by everyone from fast food produces, horror movie directors, indeed the President of the United States of America, to shock people by showing them that the bar can still be lowered.
While many fast food producers are scrambling to one-up each with healthy offerings, KFC is one-downing them all the with the double down sandwich.
When someone is extremely stoned.
Dude, I'm so fucking one with the buffalo right now.
Something that somebody says that you must NEVER reply to. That's because they don't want a conversation.
Person 1: I'm sure there are loads of people that smoke who wear jackets like these.
Person 2: Smoking is an addictive habit.
Person 1: Shut up.
Person 2: But you asked me a question/wanted a conversation.
Person 1: No! that was One little comment.
When you are overcome with excitement at seeing DJ Rob live that you are forced to masturbate
Friend 1: Hey I heard about your break up, what happened?
Friend 2: My girlfriend caught me Robbing one out just before heading down to the local