That is a longterm friend with whom you have sex, without the interdependences or public-ness of a lover or boyfriend.

The sex is purely recreatonal sex, without the usual risks:

Fuck buddies come in all flavours:

Notice that "hornyness" is not in this list. This is not really an excuse. If you just need to cum, you can always jerk off.

Getting a fuck buddy is just one reason for MeetingPeople.