A roller coaster enthusiast who is realllly into roller coasters. Like, never fucked a pussy-level nerdom. Can often be spotted obsessing over non-important aspects of roller coasters, amusement parks, and entertainment industry, wearing cargo shorts, park pins, and a handheld digital camera. Fury 325, Steel Vengeance, and Orion shirts are also popular.
Damn, that Thoosie could only talk about his coaster count while waiting in line.
by CoasterFarce June 16, 2021
Get the Thoosie mug.
Someone who knows a lot about roller coasters

Ben: I’m not a thoosie! I don’t know all those slang terms, like “GP” and “ops”
Jason: Only a thoosie would know those terms
Ben: You’re right man, I am a thoosie. I’ve finally accepted it.
The thoosies went straight away for Steel Vengeance, also known to them as SteVe.
by cruelsummerstan July 27, 2022
Get the Thoosie mug.
A person who spends years trying to single-handedly invent a slang word that will catch on in the roller coaster enthusiast community.
Despite years of failure, the thoosie didn't give up on his dream of making the word thoosie mean something to anyone other than himself.
by rdsflnj April 18, 2018
Get the Thoosie mug.
Short for enthusiast, this is a culture made up of mainly homosexual teenage men who have a strong passion for rollercoasters. Easily spotted at parks wearing merch from Cedar Point and queuing for the last row with cargo pants stuffed with worthless park maps which they immediately cover their bedroom with. This insufferable group thinks they are better than the average going theme park guest, when in reality they are unbearable to be around. They are physically unable to talk about anything other than theme parks, their entire world revolves around it.
Thoosie 1: "Hey I heard Luke over there is a thoosie too!"
Thoosie 2: "Great! Maybe he'll join us for our nightly anal fuck session."
by mildy-distributed April 13, 2022
Get the Thoosie mug.
I like rollercoasters, but those guys that know how many and what size bolts the rollercoaster has, those are Thoosies.

Those Thoosies at the event buffet are like watching Hyenas rooting through the garbage cans.
by Mohead February 14, 2015
Get the Thoosie mug.
someone who is overly obsessed with rollercoasters and theme parks, they'll show up to parks 1 hour before opening just to lap their favourite ride a couple times. they collect worthless maps and wheels and probably will die a virgin.
Look at that guy! He's sprinting towards Nemesis Inferno with a massive camera and a icon hoodie. Must be a thoosie!
by Super noodle March 17, 2022
Get the thoosie mug.