Top definition
One who talks gibberish pretending to know more than those around them in a gay nonsensical way that causes the listener to glaze over and think the speaker is insane.
Bob tried to convince the crowd of his knowledge speaking jaybish to everyone, in the end they knew he was no expert.
by Texas180 March 07, 2014
Get the mug
Get a jaybish mug for your fish Vivek.