favorite stupid things people do in the name of showboating/gloating/"winning"
My personal favorite is when people do the whole 'GG EZ' (get gud, u suck, etc.) when it's a 4 v 5... like they deserved to win.
3 Comments
6X 
builds when they know they won
Refusing to report someone who leaves because "You were going to lose anyways"
Playing as Ekko, moving to the bottom center of the victory screen and start playing air guitar.