Well, after all...
I once played as Kog'Maw in a Jugger'maw comp, and immediately upon getting my first kill I screamed on all chat "Don't you know who I am? I'M THE JUGGER'MAW BITCH!". The enemy just said "You have been waiting all game just to say that haven't you?" We lost hard, but it was totally worth it. https://38.media.tumblr.com/a74cca856d8b4ad8860e822f84c9064c/tumblr_nxfzfuNdcT1ucaacho3_400.gif
I remember a game where a friend of mine wanted to play AP kog top. He ended up feeding his ass off to the point where he decided to go full tank. He got a quadra kill taht game because he slowly AA'd everyone down while being too tanky to kill. That was in season 4 IIRC
How it feels to be an ADC against said fed juggernaut https://media.giphy.com/media/3osxYlAZpAewkx89r2/giphy.gif