selfie sunday 

When people take selfies of themselves on Sunday. Selfie Sunday was made to have a purpose of selfies on a particular day which in this case is Sunday.

Girl- "Why are you taking a selfie?"

Other girl- cause it's selfie Sunday!

selfie sunday by Brownie743 November 11, 2013

Selfie Sunday 

A picture taken of yourself by yourself and posted on a social media site on any particular Sunday.

"Do not photobomb me, this going up as my selfie sunday."

Selfie Sunday by instagrammarnazi March 2, 2014