Top Definition
A pseudonymn for tuna. (THIS IS AN INNOCENT WORD!!!)
A word used to replace tuna when making a tuna salad sandwich for children.
Wife: "I am making tuna sandwiches for the trip."
Husband: "NO NO NO....do NOT use that word. The kids won't eat it...use seabeast instead!"

Little Buddy: "Daddy, what kind'a sandwich is this?"
Daddy: "Why that is a SEABEAST (said with deep powerful voice) sandwich little buddy...gives you big muscles!"
Little Buddy: - devouring sandwich - "Yum...GRRrrr....yummy".
by psiscott2000 April 26, 2006

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