Turkey Monday 

The second Monday after the fourth Thursday in November, a day on which God-fearing Americans cook and consume large quantities of turkey.

Also known in Istanbul as "Monday."

Dude, why are you buying two frozen turkeys for Thanksgiving?

Nah man, one is for Thanksgiving and the other is for Turkey Monday.

Turkey Monday by Several Credible Sources December 9, 2013

Turkey Monday 

A holiday celebrated across 'Merica which celebrates the Turkey. Turkey Monday is celebrated on the second Monday following Thanksgiving.

Man, I love Turkey Monday! It's all about the bird and none of thankfulness crap.

Turkey Monday by Turkey Fan #1 March 14, 2016