UPDATE: Sweet, 20 upvotes! Keep them coming =D
Just had the best idea for a skin EVER.
Turkey Anivia. Perfect for this upcoming thanksgiving! (Or christmas, since I doubt this will make it in time for thanksgiving)
Could even make it a legendary of sorts, changing not only the looks, but the skill skins!
Heres some ideas my friends and I were throwing around:
For the Q, a ball of stuffing (or potatoes?)
For the Wall, a cornucopia! (EDIT: Or cranberry gelatin stuff, like a jello wall. Thats a great idea too!
)
For the E, perhaps a turkey baster or similar idea? EDIT: or a Fork, or a turkey knife!
For the ult, a gigantic pool of gravy, because gravy is awesome.
And the best part.
The passive, instead of an egg, turns into a cooked turkey on a serving plate.
Addition: When her passive pops? FEATHERS! And when her passive dies? STUFFING! 
I would instantly buy this skin for even the legendary price, because it would be so. freakin. awesome. I know a few others who would at well. Make this happen and I will love you forever!
EDIT 2: Scouring the internet for similar ideas... Heres a few random pics I found.
http://noctume.deviantart.com/art/An...rkey-276157459
http://evangeelliot.deviantart.com/a...rkey-270707960
credit goes to the original authors, of course. Just thought they were awesome and fitting. :P
EDIT 3: Apparently I wasn't the first to think of this great and amazing idea! This means that it MUST be the best idea ever, amiright?
M0rtiv0re posted about this (almost) exact same thing about 2 weeks ago. =P
KEEP THE IDEAS COMING! Perhaps with more ideas (and comments) riot will have a look, eh? :P
EDIT 4: It has been brought to my attention that vegan champs would be completely shut out by Turkey Anivia, so if (when!) Riot approves this skin, they must also take that into account and nerf appropriately.