A place that is full of people with the possibility of infection of viruses or diseases via close contact via people or "gross" environments, humid and warm temperatures, and people who are not minding etiquette in spread of coughing, sneezing, washing hands, or touching food.
John, that party sucked last night! Everybody was sticking their hands in the food and being all sweaty around each other. What a petri dish.
by Bocker December 29, 2021

Analisia Petry is the most beautiful girl in the world and is so kind and sweet to her boyfriend I love her so much and never ever want to lose her she is so amazing and makes her boyfriend (Peyton Jacobson) sooooo happy ❤️
Oh my goodness Analisia Petry is so beautiful and amazing I love her so much and I never want anyone else
by ᵖᵉʸᵗᵒⁿ December 30, 2021

by notable phantasm July 20, 2021

by Queso_Uwe January 24, 2023

A patriotic asshole who won't admit that his country is inferior to others. Usually a Petrie is someone who is tall, ripped and most of the time they like .
Guy: Can you hear that gay tall dude constantly talking about America?
Other Guy: He's definitely a Petrie
Other Guy: He's definitely a Petrie
by Botty101 July 7, 2017

Petrie's the Dutch Student, learning the ropes of the atomic age, a fresh face in a world of giants.
Example of how it's used in a sentence:
Person 1: Who's that Dutch Student in Oppenheimer?
Person 2: Petrie Willink as Dutch Student in Oppenheimer, fresh on the atomic scene dude!
Person 1: Who's that Dutch Student in Oppenheimer?
Person 2: Petrie Willink as Dutch Student in Oppenheimer, fresh on the atomic scene dude!
by courtofowls September 5, 2023

A fit young roadman who people think smokes weed when he doesn’t . He’s a bit of a man slag who gets wanked of
by John mclarren January 11, 2018
