Snob Talker

Someone that likes to use big words in every sentence on purpose just to be ostentatious.

I can understand anything Jeff is talking about he's being such a Snob Talker right now.

Snob Talker

Someone that always puts big grammar words in almost every sentence on purpose to sound ostentation.

I can barely understand anything Jeff is talking about he's being such a Snob Talker right now.