Spongebob's Definition:
F- is for friends who do stuff together!

U- is for you and me!

N- is for anywhere and anytime at all down here in the deep blue sea!

Plankton's Definition:

F- is for FIRE that burns down the whole town!

U- is for URANIUM... bombs!

N- is for NO SURVIVAL WHEN YOU...

Spongebob and Plankton together:

F- is for Frolic through all the flowers

U- is for ukelele

N- is for nose pickin(not what u think), sharin gum, and sand lickin (what...) here with my best buddy!

hahahahhaa... yeah they go off laughing for a while then Mr.Krabs says, " Arrrg... Mutiny "


fun definition by Urban Dictionary