Someone you are bumping nasties with.

What you say when you're pretending not to like someone so you can date someone else, or make others jealous.
Being just good friends is often temporary, and may result in being more than friends and having wild crazy sex.

Dating code-talk for "You're not good enough for me or any of my friends, chump. Get bent!"

The relationship between a man and woman when they (usually the woman)decide to not take it beyond the platonic level. A woman's request to be "just good friends" can come as a disappointment to the man, who's ultimate goal is usually to have sex with every woman on Earth.

stupid dumb fucking loser who cant loose his mackness and walk away from a dumb ass whore after she says "i just want to be good friends"

When your friend lets you lie butt naked on their clean bedsheets.

Friends who are together but not together at the exact same time