The word that you use when the word "fun" is blocked on an internet forum or game.
I had a lot of sea muffin in school today!
by Dan Mueller December 6, 2007
Sea muffins is a synonym for fun. It is used on occasions when "fun" is censored because of the first two letters.
I'm going to have a lot of sea muffins in my AP Calculus class!
by Exhnozoaa February 23, 2007