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3.
A prostitute who is also a slut in her free time.
"Cash is tight during the holidays so I'll have to slutstitute. After I prostitute during the day, I'll start slutting my ass out at night so we will have someplace to eat."
by Idiocracy December 06, 2012
 
1.
Definition:

Slutstitue is an accepted denotative meaning of a sexually promiscuous woman that is known to be a dirty piarte hooker, yet still maintains a common placement among a group atmosphere.

Amalgamation:

Slut is a pejorative term for a sexually promiscuous person (usually females), more than is deemed socially acceptable.

The term is interchangeable with prostitute as this term denotes a person who engages in sex for money, or other services and companionships to which they find of value.

You want to get paid but you don't, it's a word that can be anything we want since it's drived names are slut = self defining and prostitute, which means getting paid for sexual favours so that makes a prostitute a slut.

Therefore we create a new word for prostitute and make it slutstitute.
Stop being such a slutstitute with everyone you know, we love you but do you have to bang everyone you dirty pirate hooker?

by LMT August 15, 2006
 
2.
1. when the girl you actually like is unavailable, so you find a slut to take her place. From the words stut + substitute.

2. a school or other institution that prepares girls to become sluts. Also referred to as High School.
My girlfriend couldn't go to the prom, so I went with a slutsitute.

The only thing they seem to care about teaching us at school is how to have sex. It's just a slutstitute.
by theguywhowrotethis September 02, 2010