A person, often an ass hole, that tells you something that makes your dreams seem more out of reach and almost impossible to achieve.
Aaron: "Next year I'm going to NYFA to become a movie director!"

Peter: "Do you actually think you could make a movie even close to as good as Inception?"

Ash: "Dude, don't be a dream fucker!"
by the voice of the common cock September 21, 2010
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Someone who always penetrates one's dreams or ambitions with his constant pessimism and negative vibes.
1. Dream-fucker: So tell me, where do you see yourself 5 years from now?

Dreamer: a senior partner at the law firm I'm working for right now

Dream-Fucker: HAHAHAHA! YOU SURE WILL HARVEY! HAHAHAHAHA!
by amkaki December 8, 2013
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An individual, who's nature is describes as unhealthy and toxic for his community. He is extremely self-centered, and acts like the universe revolves around him for a very small feat that could be outstripped by another average human. Also is a dream stan, probably uses tik tok and is a wannabe emo fuckboy.
Bro, I swear that Toxic e-boy dream stan fucker is the worst thing to ever exist on this planet. I wish with every cell of my body that he will suffer in the burning flames of hell, repenting for an endless sea of crimes and sins, to never see the light of day.
by PinguParty August 15, 2021
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