Prosterior

Word synonymous with butt, behind, ass, tuchus, and yes also the more commonly used: posterior.

Emily was being a real pain in my prosterior.

by Bxs January 19, 2019

prosterior

A prosthetic posterior, aka a fake ass. Many claim there is no such thing, but that has not been proven.

Stop kissing the boss' prosterior!

by John2019 March 23, 2022