On July 24th it is customary to bed a sub ass bratty little shit. This means dicking down a submissive and intentionally annoying individual who uses teasing to irritate you but is not dominant to any degree.
Individual:*reading calendar* "it's july 24th, must be fuck a sub ass bratty little shit day!"
Sub Ass Bratty Little Shit: "isn't that every day~?"
Individual: "Fuck you"
National Fuck a Drummer Day is a day to rejoice and celebrate your syncopated friends by having hot, passionate sex with them. National Fuck a Drummer Day falls on December 28th!
"It's National Fuck A DrummerDay, get on that bed so we can start celebrating."