← The Casual Fan's Glossary · NBA + WNBA
basketball.
Basketball moves fast, and most of the strategy hides in five seconds of action you'd miss if you blinked. Here are the terms you'll actually hear at the watch party, decoded.
Pick and roll
One teammate sets a “screen” — basically a legal body-block — so the player with the ball can slip past their defender. The screener then rolls toward the hoop looking for a pass. It's the single most common play in basketball, which is why announcers say it 400 times a game.
When your friend yells “great screen!” — this is what they saw.
Technical foul
A foul for unsportsmanlike conduct rather than physical play — yelling at a ref, hanging on the rim too long, arguing a call. The other team gets a free throw. Two techs in one game means the player gets ejected.
You'll know it happened when a coach throws their hands up and the broadcast replays a guy mouthing words at a ref.
And-one
When a player gets fouled while making a shot, the basket counts AND they get one free throw to try for an extra point. So a two-pointer becomes a potential three; a three-pointer becomes a potential four. The crowd always loses it.
If a player flexes after scoring, this is usually why. Big momentum shifts hide here.
Isolation (iso)
Everyone else clears out and one player takes their defender one-on-one. Used when a team has someone they trust to make a play. Fans love watching it; coaches usually don't.
If the broadcast says “iso ball”, it's a comment. They mean the team is running out of ideas and putting it all on one person.
Double-double
When a player hits double digits (10+) in two of the five major stat categories: points, rebounds, assists, steals, or blocks. The common one is points + rebounds. A triple-double — three categories — is the rarer brag.
A solid all-around game. Not flashy, but the kind of thing post-game pundits respect.
Buzzer beater
A shot that goes in just as the game (or a quarter) ends. The ball has to leave the shooter's hand before the buzzer sounds — refs review it on instant replay if it's close.
The most cinematic moment in basketball. If you're hearing the room scream and then go dead silent, this is what happened.
Zone defense
Instead of each defender guarding a specific player (“man defense”), the defenders cover an area of the court and switch off on whoever enters it. Less common in the NBA, more common in WNBA and college.
If the team that's losing suddenly looks better, the coach may have just switched to zone to slow things down.
Flagrant foul
A foul that's considered excessive or dangerous, beyond normal contact. The fouled team gets free throws AND keeps possession of the ball. A “Flagrant 2” means automatic ejection.
Refs huddle around a monitor for a long time when these get called. Expect drama and replays in slow motion.
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Hail Mary translates every one of these terms live during the game, in your group chat. iOS, summer 2026.
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