Deciding you don't like someone after meeting them in person for the first time
Jonas: This dude just met me and he's already being an asshole.

Breyton: He's an asshole to you for a no good reason

Jonas: I just met him for the first time today. Him pulling a McPherson is not okay
by Hunter Kiernan March 18, 2022
Get the Pulling a McPherson mug.
A person who is out of the loop, a dinosaur, or a boomer.
Old man: you kids and your way of life is disgraceful! I would be ashamed if you were my kid!
Teen: okay, McPherson.
by Fourbeaks December 4, 2020
Get the McPherson mug.