Sinbox

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!"

by ENLS March 9, 2009

sinbox

When the inbox for your internet email address becomes loaded with junk mail because of irresponsible internet surfing.

My inbox became a sinbox over a couple of weeks.

by Ereck Flowers May 3, 2019