This is when plans are made to do something or a way of doing things has been established, but then some know it all assfuck has to chime in with his/her bright idea. The consequences and repercussions of said assfuck throwing a monkey wrench into the clockworks is what ruins everything that has been running smoothly otherwise. This then causes confusion much like if a applecart would spill out and apples would roll all over the place in a crowded market.
Tony : Why is skippy trying to change the trip plans at the last minute, they were set in stone months ago?

Mike : I don't know that mother fucker is just trying to upset the applecart.
by TV CAR March 27, 2010
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Girl code for you fucked up so badly that nothing you say or do will ever satisfy her. Can come in combination with 'complete ambivalance' or 'the wall of ice'.
After accidently talking to your ex-girlfriend, your current girlfriend mentions that she was 'a little upset' with the conversation. You think nothing more of it. Later that night she wakes you up and asks: "So, do you still love her?"
by rocketman1 September 22, 2006
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Being in the state of mind of being fat and getting mad about it
look at him over there getting all fat and upset.

i told him he is horrible at hatin' so he got all fat and upset
by slayyyyerbackflip August 25, 2011
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The Upset Gorilla is a sexual act in which the male participant inserts his penis into the pussy, while beating on his chest and screaming like a gorilla. The second part of the act is where after the male ejaculates, he screams even louder and throws the female participant across the room provided there is enough space.
Randy: Bro last night I tried The Upset Gorilla with Annabelle! Shit was sooo intense.
Marcus: Your a freak dude...
by Finleysp November 27, 2020
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An distinctive shirt that when worn, let's your friends know that you are feeling upset or are in a bad mood.
One friend to another: "Oh, here comes Sabrina."

Response: "We better be nice to her, she's wearing her upset shirt today."
by JillD4795 September 21, 2009
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A type of anger exhibited quickly and often.
He will be Jonathan Upset when he reads this.
by shalalalalalalalalala November 26, 2011
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When you switch being very formal with friends and family whilst texting because one of them just got you all upset. You don't want to admit you're upset, so instead you will start using upset dotting technique.
Jeebz: hahaha.. man just chill!
Taweel: I'm chilled. You need to chill. don't ask me to chill. Look at yourself. Trying to hard. Pfff.
Jeebz: I see u r unintentionally upset-dotting ur sentences.. hahaha
Taweel: Yeah. Well. Fuck you.
by Shaiz December 8, 2014
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