Definitions by Urbananas

Inbox 

Inbox can be used as a verb, mostly on Facebook. To inbox someone is to send them a message to their message inbox - simple as it sounds.

On Facebook wall posts

Person 1 "Why is my life so awful?!"
Person 2 "What's the matter hun?"
Person 1 "I can't say on here, I'll inbox you"

Inbox by Urbananas April 21, 2010