F stands for Friends, U for Unity and N for Nudity. Often also called: a gangbang
Guy to Girl:"Let's have FUN together, since we are friends"
It's the best tank the germans ever built. If you get the chance to get one take it.
As the non-plus ultra of all the tanks in the world the "Königstiger" will win every battle.
"Oh shit they came with a Königstiger ru-"