ADJ.
over
VERB + JB
claim, police
JB + NOUN
causeway, port, singapore
PREP.
in, in
noun
Initialism of jailbait.
Initialism of jailbreak.
Initialism of jelly bean.
Abbreviation of joint base.
name
Initialism of Johor Bahru.
JB side of Causeway to close in early hours tomorrow
Singapore rebuts Mahathir's claim over JB port limits
Initialism of West Java: a province of Indonesia.
He immediately reported the incident to both police authorities in JB and in Singapore.
i Register
In some senses, jb is marked as slang, US. Watch for register when choosing this word.