preposterous 

adjective meaning something that is absoloutely absurd and/or doesn't make sense.

The website preposterous.ca doesn't make any sense!
It's preposterous.

preposterous by lurker August 14, 2004

preposterous 

Preposterous means without sense.
Something or an act is preposterous if is has no beneficial effect after it's done and it's often impossible

to do it anyway.

It's an preposterous idea, but imagne getting into a spaceship for a ride with aliens.

preposterous by Aralk December 31, 2016

preposterous 

Absolutely unacceptable to the s.o.b. who likes saying these big ass words

Brittany always beats my ass severely in bomberman. That shits just preposterous..propos..preopst...possum! ..bitch

preposterous by MaMa B January 11, 2015

Preposterous 

: very foolish or silly.

Example;
a preposterous excuse.
The whole idea is preposterous!

Preposterous by toxicvic June 28, 2019

Preposterous 

Crazy, unbelievable, odd

That's preposterous, Joe!

Preposterous by SuzillaGorilla March 31, 2018

Preposterous 

The greatest most beautiful and jiggy girl

Jailene is preposterous

Preposterous by Yajyaj November 16, 2022

Preposterous boast, but alas 

Replacement for “weird flex but ok” because it’s overused

Random person: “I didn’t lose my virginity because I don’t take L’s.”
Me: “Preposterous boast, but alas.”

Preposterous boast, but alas by Fresh Timbs October 29, 2018