1. jb - Noun
2. Jb - Proper noun
jb (usually uncountable, plural jbs)
Initialism of jailbait.
(slang) Initialism of jailbait.
(slang, computing) Initialism of jailbreak.
(slang, computing, Android) Initialism of jelly bean.
(US, military) Abbreviation of joint base.
Coordinate terms: AB, AFB, AFS, NAS, NS, MCAS, MCB
JB
(Malaysia, Singapore) Initialism of Johor Bahru.