A Friend
a person who's not your friend, but they're friends with your friend, so they're like your friend but not really
You: 'Hey, what's up?' Them: 'I'm not your friend, but I'm friends with your friend.' You: 'Okay, I guess that makes you my friend.'
They say, 'I'm not your friend, but I'm friends with your friend.' You: 'Okay, I guess that makes you my friend.'
You: 'We're just friends.' Them: 'I'm not your friend, but I'm friends with your friend.' You: 'Okay, I guess that makes you my friend.'