A one night stand
A one-night stand is when you have sex with someone and then you both go your separate ways. It’s like a free pizza you don’t want to eat again.
He had a one-night stand and then he left. Now I have a new nickname.
She had a one-night stand and then she left. Now she has a new Instagram story.
I had a one-night stand and then I left. Now I’m on Tinder again.