1. (Mathehmatiks) - When 2 figures have same dimensions.

2. (Peepull) - When someone is consistent with their actions and personality, unique to themselves. Something that your girlfriend isn't.
1. Whoa, these two triangles are the same size. I'd say they're pretty fucking congruent.

2. Dude when the fat cop started yelling at him, bro didn't even flinch and was all cool about it, I'd say he's pretty congruent.
by deviant styles December 24, 2010
Following through with the determination not to have sex with a new tinder match until the 4th date.
She really wanted to fuck his brains out, but she decided it was best to just cuddle and fall asleep in his arms instead not being congruent
by JohnLovesMick January 13, 2018
Madi: "Yeah dude I get like two hours of sleep"
Aaron: "Same bro, the only way I can get sleep is to have MAD congruent sex"
by WomenSlayerrrrrrrrrr October 4, 2020
When a girl skirt or dress reveals her crotch.
Girl ( is wearing short skirt and leaning over )

Boy: Linda! Congruent Triangles!

Girl (Linda): Fuck! Not again!
by Irish Russian-Jew Whore November 26, 2010
One day when I was fingering my massive crevice of an asshole, I noticed that its 90° angle was congruent to the 90° angles created by all of my fingers (which are always bent backwards).
Holy guacamole! The angle of my asshole is congruent to the angle of my pointer finger! Congruent angles are epic!
by The left side of a penis April 18, 2019
Being aware of how you are behaving in a group of people and adjusting accordingly.
I got drunk at my brother’s graduation, now I have to be socially congruent.
by _whitegriffin_ September 28, 2019
When a flex is so good, it becomes congruent with a flex that of the quality of Xzibit.
Man, hes really flexing well. Thats one congruent flex!
by Horizon11O1 March 5, 2019