Preposterous

: very foolish or silly.

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

by toxicvic June 28, 2019

proposterous

a person who streaks down one's street with no shirt on

Look at that proposterous run by!! OH MY! She has no shirt!!

by Tommy234523456 May 13, 2007

Preposterous

Crazy, unbelievable, odd

That's preposterous, Joe!

by SuzillaGorilla March 31, 2018

posposterous

Posposterous means INSANE. If something is good then it may be Posposterous.

That's POSPOSTEROUS!

by CowNip October 13, 2020

Profosterous

Outrageous blood for blood behavior.

Adam: It's my birthday, and this is my party.
Josh:That's profosterous.

by moshgod6669 April 26, 2011

Preposterous pig

A foolish yet sexy person between the ages of 40 and 90

That guy who robbed a store with a ballpoint pen is a preposterous pig

by The real Robert December 23, 2020

preposterousy

Preposterousy is the act of engaging in and with activities that are contrary to nature, reason, and common sense; or to be perceived as such.

Synonyms foolishness and ridiculousity

Layperson: I don’t think gravity needs to exist
Scientist: That’s utter preposterousy

by WarningMinecraftIncluded March 27, 2022