Nug Day 

every 20th of the month is nug day. this requires a trip to the nearest McDonalds to purchase a 20 piece McNuggets.

John: Mike, we need to go to McDonalds
Mike: why?
John: because it's the 20th of the month.
Mike: it's nug day!!!

Nug Day by batchfileface October 20, 2011

nug day 

any day when chicken nuggets are what everyone is eating.

Typically a Monday.

“Yo, Maddi!! It’s nug day!!”

nug day by chicken nuggets are dope May 28, 2018