Spongebob's Definition:<br />F- is for friends who do stuff together!<br /><br />U- is for you and me!<br /><br />N- is for anywhere and anytime at all down here in the deep blue sea!<br /><br />Plankton's Definition:<br /><br />F- is for FIRE that burns down the whole town!<br /><br />U- is for URANIUM... bombs!<br /><br />N- is for NO SURVIVAL WHEN YOU...<br /><br />Spongebob and Plankton together:<br /><br />F- is for Frolic through all the flowers<br /><br />U- is for ukelele<br /><br />N- is for nose pickin(not what u think), sharin gum, and sand lickin (what...) here with my best buddy!<br /><br />hahahahhaa... yeah they go off laughing for a while then Mr.Krabs says, " Arrrg... Mutiny "<br /><br /><br />fun definition by Urban Dictionary