1 definition by TheDevastaterr

Term used to show that the TV show "Jersey Shore" is going to be on television that day.(Mainly used on Thursday)
Normal Person:Dude guess what today is?!

Gay fag who hates jersey shore:Thursday?

Normal Person:No Jersday!

Gay fag who hates jersey shore:awww to bad im dumb and hate that show :/

Normal Person: Yep too bad
by TheDevastaterr February 11, 2011
Get the Jersday mug.