When you're trying to give your mid blue buff
http://45.media.tumblr.com/0d4c3ad0ebc002bca5f5dcab456ee94f/tumblr_mfvpwiKFRh1rud8z1o1_500.gif
But accidentally take it with red buff DoT
3 Comments
..when you did give blue buff, but it was a 
that got it
What does his E scaling off AP have anything to do with blue buff, blue gives cdr and mana regen, both are usless on yasuo since he doesn't use mana and the only two of his abilities benefit from the cdr(R and W)