sore muffin
Someone who is a party pooper, or who chooses to be offended.
Dude 1: "Hey wanna join the party? We could use an extra person!"
Dude 2: "No thanks. I wasn't invited."
Dude 1: "Don't be such a sore muffin. Lol"
Dude 2: "No thanks. I wasn't invited."
Dude 1: "Don't be such a sore muffin. Lol"