What is Sinbox?
1.
Sinbox (noun):
A vagina - particularly one belonging to a female co-worker, or a girl you meet on the internet.
Leroy: "What's up, dude? How'd your date with that chicky from work go???"
Ian: "Oh maaan! I totally delivered in her sinbox!"
See
Random Words:
1.
Going beast mode when your name is EJ Rudy
Damn son, you just went EJ Rudy on a bitch.
See ej, rudy, beast, ho, bitch, on..