inside joke

a joke that only certain people understand; a joke understood only by people who know certain facts and context. What you said must be an inside joke. It makes no sense to me.

Common Names:

Name	Pronounced	Usage
Hermanni	HER-mahn-nee	Finnish
Ejiroghene	-	Western African, Urhobo
Cummins	['kʌminz]
Agre	['a:gri:]
Sybil	['sibil]
Gamal	-	Arabic