It means that someone fits in, enjoys, or represents whatever it is that is "all day" or "all day long".
Marcus is New York all day long.
Jamie is a flute player all day long.
Kairi is The Eagles all day long.
Jamie is a flute player all day long.
Kairi is The Eagles all day long.
by Ashevilleallday October 11, 2017
Get the All day longmug. by Boobloo August 4, 2006
Get the all day longmug. Bro: "what ya gonna do today man?"
Dude: "I'm gonna do what I do everyday, bong all day long!"
Bro: "nice, mind if I join?"
Dude: "I'm gonna do what I do everyday, bong all day long!"
Bro: "nice, mind if I join?"
by GlazeHer March 4, 2014
Get the bong all day longmug.