look up any word, like donkey punch:
 
1.
A day that is memorated to celebrate a famous or historical hip hop/rap occurence or song in history. It is a day to either jamm out to that particular artist or music, go cruising, smoke out or however you may endeavor to this occasion.
Dude today is November 18th. It's a Hip Hop Holiday! Let's go Cruising all over Browntown jammin out to Drake's November 18
by Miss Roman November 18, 2010