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.
1. Your current course of action or speech has no useful result.
2. Trifling and frivolous; idle: the futile years after an artistic pe..
1.
A reasurance used toward to guys who are about to, or who you wish were about to, engage in homosexual activity. With just eachother, or..
