Seantism 

A guy called Sean who is being awesome

Look at the Seantism flowing off Sean today, he's awesome!

Seantism by BecauseI'mFunny February 17, 2022

Seanism 

Everything is unpredictable. Probability means infinite. Mind-attraction pulled it into reality. Everything is unpredictable.

Don't worry, seanism betrays no one except self-shackles

Seanism by Seanism December 23, 2021

Seanism. 

A religion that worships POTATOES.

That guy is totally into Seanism.

Seanism. by poopheads April 27, 2009

Seanism 

Disclosing too much personal information to coworkers resulting in endless teasing. Associated with wearing sweaters.

Person A: I know the entire Single Ladies Dance. When I hear that beat I can't stop these hips.

Person B: Plays Single Ladies, records dancing, emails to all employees with subject line "Today's Seanism."

Seanism by SuperFancy November 12, 2014

Seanism 

When a person begins a personal internet fad to which only they contribute. This internet fad may, but probably won't, catch on with the rest of the internet community as people start imitating it. Credited to internet personality Sean Rahill who dedicates 30% of his efforts to maintain his strange internet fads at all cost!

"I tag Tina Fey in everything I post on fb now. It's a thing."

"No it's not. It's a Seanism."

Seanism by bossmovie July 25, 2013

seatism 

An Epic gamer with a big brain. seatism is used when you are an Epic gamer, not like Volcism. Seatism is also used when Swedish people like PewDiePie and me are raping eachothers.

A: You are such an unepicgamer, YOU'RE NTO AN SEATISM

B. fuck off

seatism by Tjonka, seat December 23, 2019

Seanism 

Worshipping Hayden Sean Walden

Hey Gabe are you in seanism?
Hell Yeah dude

Seanism by TheRealCrimeman April 23, 2022