Profosterous 

Outrageous blood for blood behavior.

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

Profosterous by moshgod6669 April 26, 2011

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

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

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

Proposperous

1. Making money off of a crazy idea.

Bill was proposperous in his marketing of dinner flavored Jello shots.

Proposperous by KatSnap January 14, 2013