when a person has become so fat their pants can no longer hold in their fat, hence making them look like a muffin
Guy1- damn did u see that chick at the party
Guy2- ya that muffin effect was fucking sick
The aftermath left over after having sex with someone covered in muffins.
If your hungry, there are some lemony muffins over there.
Short for "motherfucking bitch"
You're a muffin batch for doing that.
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"
A bisexual person from Lansing who is so tired of dealing with the locals that she's ready to take life by the throat and finger bang it into submission.
"Damn, that girl is really going all out on that group of S&M Jesuits from Ohio. Who is that?"
"Oh, that's my bi slut muffin."