*That* school, the high school in which there's fires, mold, bed bugs, & vaping presentations, all in the course of the first 5 weeks. Spin the wheel to find out what'll happen next week on "Only Upper Perk"!

Oh and now there's supposedly snakes at one of the elementary schools. For F@#%'s sake...
Steve: Ya wanna go to the football game at Upper Perk tonight?
Chad: Upper Perk... Oh... That school...
Steve: Yeah let's not...
Chad: ...
Steve: ...
by Spicy Memelord October 2, 2018
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A one-upper who always has to be bigger or better than you. If your uncle has 20 ft. boat, his uncle or cousin has 21 ft. boat. A one-upper never loses in the world of story-telling.
Chris is a nice guy, but he's a big one-upper. He always follows my stories with a better one!
by MAP08 July 5, 2007
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A person who never gives up no matter what!
Priscilla never gives up in her life she is a upper Newton!
by Joecrash396 June 18, 2018
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A fart that exits through the upper butt crack region.
Damn girl, that fart was slappy. I think it was an upper cracker.
by Captain Wieb March 4, 2014
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The act of taking a dump in the tank of a toilet.
Step 1: Quietly sneak into the bathroom unseen
Step 2: Carefully remove the top of the tank. Note the porcelain tank top is very delicate and will shatter if dropped

Step 3: Climb on the toilet, drop pants and sit on the tank. Imagine you are a bird sat uptop your nest, sit very softly or else the tank may break and the operation will be compromised

Step 4: Take a monster shit. I'm talkin like a goddamn mudslide out your asshole

Step 5: Whipe and throw the tp in the tank too for good measure and put the top back on

Step 6: Return to the party and act like nothing ever happened, if you leave right away you will draw suspicion to yourself
Step 7: Enjoy the host's reaction when they see that Mount Vesuvius just exploded in their toilet tank
Friend: Yo did you hear, Julia is having a party this Saturday
Me: I dislike her very much, I'm gonna drop an Upper Decker at that party
by bowelsmovin June 25, 2017
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The act of defecating in the upper tank of the toilet. When the next poor unsuspecting person flushes the toilet they get a bowl of beef stew. the upper decker is a weapon of terror and should only be used on people who deserve it.
My friends x-girl friend had a party and she left whith some other dude who looked like the fonz "Heyyy!". So I took it upon myself to leave her an upper decker
by The Mad shitter May 14, 2003
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If you have had a bad day, a one-upper has had the absolute worst day of their entire life and possibly the worst in recorded history. If you met a hot guy on vacation, the one-upper banged Brad Pitt on vacation. If your brother bought you a really cool new CD for your birthday, the one-upper’s brother is God. The one-upper is the most obnoxious and hateable person you have ever met, but they are probably proud that they have one-upped everyone else you ever thought you hated.
I found twenty dollars in the street the other day and I was feeling pretty lucky, until that accursed one-upper told everybody that on that very day he discovered Donald Trump was his uncle. God, I hate that guy.
by Megsi February 22, 2008
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