1.when someone pretends they are a few clothing sizes smaller than they are (i.e. Mariah Carey)

2. when a man thinks his cock is much larger (or smaller) than it actually is
Mariah swears she wears a size 6...her assistants replace size 12 tags with 6's to accomodate her delusional sizing

Some guys love to flash their cocks because they think it is bigger than it actually is...when people laugh, they may realize it's a case of delusional sizing
by Meadow Soprano November 15, 2005
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A man named Daniel who is going crazy over something he lost.
Dude what are you talking about? You didn't lose anything. You're acting like a Delusional Daniel.
by Quarketh April 17, 2020
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The belief that wasted potential is more important than actual success.
Dude, you are suffering from some serious delusional hipsterity.
by laughingsquid March 8, 2011
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Delusional Dave: A person that does not take hints of dislike, but in turn takes them as flirtatious motives.

Started by several redditors.
Amy: Frank was being such a delusional Dave today. I told him I wasn't interested, he thought I was playing hard to get and walked me to my car.

Julie: Oh my god, I told frank to lay off, he pulled a delusional Dave and said "She just wants me to prove my love"
by John Malkavich June 15, 2011
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A female who thinks people are worried about her but in reality ain't nobody give a fuck
Girl #1 thinks that Girl #2 is worried about her but in reality girl #2 ain't give a fuck about the ugly bitch ! Girl #1 is a delusional bitch
by lolgirlygirl March 20, 2016
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Someone who has "Delusional Franka" means that he thinks everything negative about his life is because of "Mr.A". Than he goes in to the phase of ignoring everyone in his life, And will think Mr.A ruined his life. But Mr.A is everywhere.
Mike his PC was lagging and he thinks that Mr.A did it so he has Delusional Franka.
by Mr Aland May 25, 2021
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