look up any word, like blumpkin:
 
1.
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 06, 2007
 
2.
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 22, 2007
 
3.
A word used when the word "fun" is blocked on an internet forum or game.
She and I had a lot of Seamuffin under the bleachers during assembly, if you know what I mean...
by hattaa April 14, 2010