Listen, he has like, a ton of teeth, that should be enough of a threat at this point.

"Hey, maybe you saw one here or whatever. I don't judge if your world is too dumb for dinosaurs." Regardless, though, the shock value has worn off, and just as quickly as it happened, he's Taako again, elf and clothed and twirling his Umbra Staff. "So do you believe me now? In the cool shit ol' Taako brings to the table?"