National suck your boyfriends dick day~
Meaning: Having the girlfriend sucking her BF's dick till he CUM's! They didn't give or list the day for it and I'm still not sure how it made it into the Urban Pictionary Book?
Example: This beautiful girlfriend loves to take part in all of the National listed event days, so when she seen it was National suck your boyfriends dick day she just did it to All of her boyfriends!
