Fun Song Lyrics Spongebob - What is fun? I-- Let me spell it for ya F is for friends who do stuff together U is for you and me N is for anywhere and anytime at all All - Down here in the deep blue sea Plankton - F is for fire that burns down the whole town U is for uranium (pause) bombs N is for no survivors when your--- Spongebob - (interupting) Plankton! Those things arent what fun is all about! Now do it like this F is for friends who do stuff toget-- Plankton - (Interupting) Never that's completely idiotic Spongebob - Here let me help you! F is for friends who do stuff together U is for you and me Try it! Plankton - N is for anywhere and anytime at all! All - Down here in the deep blue sea Plankton - Wait, I don't understand this I feel all tingley inside Should we stop? Spongebob - No thats how your supposed to feel! Plankton - Well I like it! Let's do it again! Spongebob & Plankton - (Spongebob) OKAY! F is for frolic through all the flowers U is for ukelela N is for nose picking sharing gum and sand licking, here with my best buddy! (Laughter in melody) Mr. Krabs - Arr, mutany