Something that inspires inappropriate and generally fun, enjoyable behavior (a sin).
"Damn! Those hookers are sinspiring!"

"I like to think about Michelle when I'm having sex with Tanya. She's way more sinspirational."

"The more I drink, the more I am sinspired."
by little_sheep December 8, 2009
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Referencing back to what a celebrity would do when wanting to achieve a goal sexually
"I was hooking up with this guy last night, and all I could think about was what my sinspiration would do in my place"

"Megan Fox is my #1. sinspiration!"
by TwatShot October 22, 2009
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Inspiration coming from a sinful, vulgar, or just downright bad idea. Sinspiration is often a negative thing, but in rare cases can turn out to be beneficial.
Netflix and a box of pizza gave her the sinspiration to stay inside and become antisocial.
by mgtheunicorn August 22, 2017
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