Used in the popular card game "Muffin time" where if you have 10 cards at the start of your turn you may yell "It's muffin time" and win the game. (Please note that this is a VERY short version of the games rules.)
Person 1 *Does his turn*
Person 2 "Hah! I have 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 cards! It's muffin time!"
Person 3 "Aww, guess you win."
It means a good muffin. The food.
1: could I have a box of mighty muffins
2: yes here u go
When you go to perform fellatio on someone and there is a particularly surprising amount of pubic hair.
Sarah met a guy on Friday night with no hair on his arms or legs, but when she went to give him a blowjob he had a Surprise Muffin.
I went to the vip room and was muffin huffin for 3 songs.
Overseas in Iraq the Army soldiers would throw as hard as they can, full sized individual wrapped Otis spunked muffins @ civilians.
I just threw this muffin at that kids face. Hit him so hard he almost fell over. I muffin punched him!
An obese woman that wears too much makeup.
Every office needs a good smudge muffin for solid comic relief.