Jiblingual 

One who is a fluent speaker of jibberish.

That girl makes no sence. She is totally jiblingual.

Jiblingual by Bage-man April 20, 2011

Jewlingual 

The ability to speak Hebrew and one any other language

The Rabbi managed to persuade the masses to accept his point of view, thanks to his amazing Jewlingual skills

Jewlingual by Jewminator August 12, 2012