Is Lil Jon Hosting 'TMZ on TV' Again ..... Yeeeeah!!!

He's baaaaaaaaack!!! Lil Jon -- and his chalice -- are making their triumphant return to the TMZ newsroom to host today's TMZ on TV!

This time, Jon takes on everything from Hebrew ... to karate ... to Lindsay Lohan!

You don't wanna miss this!!!  Check your local listings.