look up any word, like hipster:
 
1.
That's when u go to either FB or Myspace and it shows that u have a message but u look into ur mailbox and nothing's there.
I'm tired of myspace fooling me with their ghost mail. They need to fix da damn thing fa real!
by SouloCutz September 04, 2010
 
2.
The greatest person on any fourm
"That ghostmail, so hansome"
by Ghostmail October 26, 2006