pooposterous 

contrary to reason or common sense, utterly absurd or ridiculous in the context of shit

steve- i know it was you who shit on face last night while i was passed out drunk
tom- calm down steve, just put down the microwave it wasnt me
steve- that pooposterous! theres poop all over your hand, i caught you shit hannded, and now your gona get the shit handed to you real good

pooposterous by rawdogkilla November 10, 2013

Pooposterous 

A poo that is so large or messy that it defies definition.

Bill: How was that deuce, Jim?

Jim: It was pooposterous! I think I emptied my entire colon.

Pooposterous by T. Stunt March 24, 2017

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

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

pooposaurous 

a dinosaur made entirely of poop.

A Pooposaurous Rex ate my uncle.

pooposaurous by Michael Wegman February 5, 2008

pogposterous 

The best idea anyone has ever had in the universe. It is simply preposterous that you would assume this idea is not poggers. Something so incredibly terrible that it is poggers.

"Just killed a woman... feeling good" - TommyInnit

"That's so pogposterous Tommy" - auto-generated Wilbur tweets

pogposterous by Ghostbur's Long Lost Fussy May 31, 2021

Preposterous Battle 

A battle where two or more friends compete to use the most instances of the words preposterous or preposterously.

"It is preposterously preposterous how preposterously preposterous this preposterously preposterous Preposterous Battle is, and it is preposterously preposterous when people say preposterous, preposterously, or preposterously preposterous in a preposterously long sentence.

Preposterous Battle by International June 26, 2013