Mine is falling very behind to the point of almost no chance of winning, then the enemy team starts laughing and bm'ing in chat. The best feeling, coming back and winning the game, which allows you to laugh and bm them in the lobby chat.
hehe
Dropping Tibbers on a tilted Vayne / Yasuo. When fed.
I remember stealing baron once with syndra´s Q over the baron pit. I was laughing so hard and felt so good 
Best feeling for me is picking jayce when people dont see him often and have no idea how strong he can be then continue to basically one shot people and see their reaction XD
