(adjective) used to describe one person who knows enough about everything to start a conversation but once they begin talking on a topic, you relize they know nothing about it. They try to use big words and fancy sentence structure to make it sound as if they know what they are talking about when they really dont. These people are often thought of as "know-it-all's" when they really know nothing. They are often proven wrong and are rarley and expert in any subject.
Dude 1 "bro, i met this babe last night and she had it all, she was hot, succesful, and knew everything about everything!"
Dude 2 "oh, that girl. I talked to her too. she was just a shmister, i wouldnt go for that"