Usually, friends with benefits (a.k.a. FWB) means that people who know each other engage in intimate/sexual activity without really dating each other. Its different from hooking up, which tends to be a one-time thing with someone new.

Is friends With Benefits a bad idea?

Being FWB isnt always a bad idea. But as most people knowfrom experience (and rom-coms galore), they arent simple. Even when you go into them with set guidelines, the boundaries can get blurred. Its natural to catch feelings for the people youre intimate with.