Definitely not ... continuation Skin
For example:
Definitely Not-A-Lux read Definitely Nautilus.
Where the champion in question resembles the cleverly named champion that inspired the skin.
14 Comments
I'm still pushing for "Definitely Naut Blitzcrank":
Definitely Not 
with Garen in a bush costume.For example,
http://apollo-na-uploads.s3.amazonaws.com/1418820988078/garensoon.jpg
Definitely Not 
with Leo in a lion costume.For example,
http://img1.wikia.nocookie.net/__cb20120609194021/p__/protagonist/images/c/c9/SABER_LION.jpg
And that's all I got for now.
Definitely not ali-star guardian lux 
Definitely not ok 
Definitely Not Lulu
-Lulu wearing a teemo hat with pix trying to hold a ziggs bomb while flying next to her.
"Lulu... what happened to ziggs and teemo?" "Never look a tulip in the eye."