Basically means same thing as, cunt, bitch, slut, whore, hoe etc all combined into one, the meanest and nastiest thing you can call a girl.
Example 1:
Girl: Your such a Fitz! Get the fuck outta town!!!

Example 2:
Narrator: She was such a Fitz, that she fucked every guy on the stairs that night at the school movie.
by Heavenly777 October 1, 2009
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A Fitz is to just disappear off of the face of the earth for X amount of time because you know you messed up by cheating with your best friend's romantic partner.
Hey! Did you hear that John pulled a Fitz to Dave after having some fun with his girlfriend?!
by Aquatex April 7, 2020
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Tha origin of fitzing. To camp on a bowl for a ridiculous amount of time do to ranting or just an amazing skill to camp on a bowl and not have anyone notice for a half hour
Dude stop fitzing and either hit it or pass me that fuggin bowl
by ARIEL MAFUCKIN NINJA April 21, 2008
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A youtuber with a very good upload schedule
Fitz is always on time with his videos
by fAzE_FrickBoy November 5, 2018
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When someone agrees to do something and changes their mind five seconds later
"You just said you were going now you're just being a Fitz and backing out"
by KingDiaz March 8, 2015
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Funny YouTuber and Twitch streamer,
Member of the Misfits

Slept with his friends GF cus she wanted clout
“Is Fitz a good person?”
No clue he slept with his friend’s girlfriend.”
by Ej3333 April 9, 2020
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