My brother loves playing something called cue sports but I don't know much about what that is. Is it like golf or pool?
It's basically a broad term for a variety of games of skill generally played with a cue stick, like billiards or pool for example.
Oh awesome. Is it a popular sport in the United States?
I think it's a fairly niche sport to be honest, I know that billiards means different things depending on if you're in Britain or the US though, oddly enough.
Oh does it? I don't really know what billiards is. I do know pool pretty well though.
, Napoleon, Abraham Lincoln, Mark Twain, George Washington, French president Jules Grévy, Charles Dickens, George Armstrong Custer, Theodore Roosevelt, Lewis Carroll, W.C. Fields, Babe Ruth, Bob Hope, and Jackie Gleason.
History.
All cue sports are generally regarded to have evolved into indoor games from outdoor stick-and-ball lawn games (retroactively termed ground billiards), and as such to be related to the historical games jeu de mail and palle-malle, and modern trucco, croquet and
Cue sports
Cue sports (sometimes written cuesports), also known as billiard sports, 
are a wide variety of games of skill generally played with a cue stick, which is used to strike billiard balls and thereby cause them to move around a cloth-covered billiards table bounded by elastic bumpers known as .
Historically, the umbrella term was billiards. While that familiar name is still employed by some as a generic label for all such games, the word's usage has splintered into more exclusive competing meanings in various