Jailbrid is someone in prison.

http://e621.net/post/show/51391/bars-breasts-canine-carmelita_fox-cleavage-female-

Jailbait is a character who is legally a minor under the law. If you get caught fucking this minor you will become a jailbrid.

http://e621.net/post/show/107471/bear-calvin-calvin_and_hobbes-english_text-human-i

MASS FAIL!
Fascinating.