A derogatory term when a person presents a 'credible' argument on the Internet to support their position despite the argument is false. Mostly (and recommended to be) used for science deniers and to know-it-all person. May be synonymous to Karen MD, but this term is more broad.
Person A (an anti-vaxx): I have a list of blog articles ( mostly cherry-picked) that suggest vaccines cause autism. Therefore, vaccines cause autism.

Person B: Cool, pretty sure you have a PhD Reddit to state that statement. What's the title of your thesis, fam?
by maxweber27 November 18, 2020
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A legendary drink originate in BO1. When you drink it you instantly get invincibility to explosives, and fall damage. Plus you can dolphin dive and do splash damage. Sadly Trollarch doesn't like giving us PHD flopper. And, it is limited to few maps and in others is a permaperk.
Player 1-Hey bro let's get PHD flopper

Player 2-Are you retarded? That's not even in this map Treyarc doesn't add it to maps ever.
by Long McSchlong December 22, 2016
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A person who uses broscience often to try to prove points or explain things. Usually the broscience comes directly from his mind with no outside sources and no experience with the topic he is talking about.
Bro PhD Kyle just tried to explain the creation of the HIV virus, of course talking straight broscience the whole time. I didn't believe a word he said.
by fatassbob March 12, 2010
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A GED. So called based on the notion that in Tennessee, a GED is considered an impressive educational achievement.
Leroy was expelled from high school, but by the time we went to college, he had earned his Tennessee PhD through correspondence courses.
by PMax October 9, 2008
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A certain street degree of achievement that a woman can obtain if they study the ways of semen extraction for more than 3-5 years, depending on the student.
This woman had a masters degree, not quite Semen PHD status, but close
by MCSloppy2nd's March 26, 2010
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A person who has no actual schooling or training in having sex but feels that they know enough about sex to make them an expert and offer people advice.

First mentioned in the movie "The Ladies Man" when Leon Phelps is describing his qualifications for being able to give people sex advice.
Man 1: How do you know that women like being spanked while listened to Al Green?

Man 2: I have what you call a PHD in poontang.

Man 1: Oh! I see. Where did you go to school for it.

Man 2: I didn't but I've gotten enough Poon to know what it takes to make them happy.
by Leachy March 29, 2008
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A perk in CoD zombies, black ops 1 and 2 to be more precise, that not only REMOVED all splash damage and explosive damage you receive, but it also makes the zombies explode when you dolphin dive near them! You may take some fall damage, but it’s a great perk!
PhD Flopper appeared on Ascension, Shangri-La, Call of The Dead, Moon, Buried, and Origins. This perk was great for only 2000 points! That’s less than Jugger-Nog!

Sadly, from Black ops 3 and so on, the games were now running on the slide mechanics, therefore PhD Flopper was removed from the franchise, and replaced with Widow’s Wine. There WAS a perk called PhD Slider, but it was just meh.
Shangri-La

Dempsey: *ingests PhD Flopper* AHHHHHHHHHHHHH MORE SHIT TO KILL WITH!!!!!!
by Fagimus April 26, 2021
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