I just continue spamming it over my dead corpse. No shame.
Uh, how exactly do you show the mastery emote?
ctrl 6
I remember an Ez spamming that to me when I was playing Soraka ADC.
Proceeded to completely destroy bot lane and he ragequit the game, was a beautiful sight.
My reaction is more like: http://38.media.tumblr.com/tumblr_lkjonzu6pN1qhe3ovo1_400.gif