An attractive girl you reckon would fit perfectly on your penis
Joe:"Tommy did you see that cute Korean girl?"
Tommy: "yeah she is cute..wow"
Joe " I think she's a Fitty, I Reckon she would fit perfectly on your tiny penis."
by The answer2.0 September 10, 2010
Get a Fitty mug for your daughter-in-law Julia.
When something performs at 50% resulting in them only doing half of what was expected of them.
Today when I was getting lunch in a drive through I ordered a burger, fries, and a drink. After paying and pulling up to get my meal. I opened the bag to find out I did not get my fries, which meant I had just received a fitty from the drive through.
by Sportsman817 August 07, 2012
Get a Fitty mug for your mom Sarah.
Noun. (Australian colloquialism):
A small bag of cannabis. Usually costs $50 and weighs around 3.5 grams (an eighth of an ounce). Generally pronounced 'fiddy'.
I'm heading over to old mates to pick up a Fitty.
by Indica Man August 18, 2008
Get a Fitty mug for your fish Manley.
The word "funny" and "witty" combined together to make the word "fitty". To describe someone who makes a funny yet witty joke.
Oh John, you're so fitty! I can't stop laughing!
by Harry Rettop January 19, 2011
Get a Fitty mug for your coworker Sarah.
someone who is bisexual.
someone who likes both genders.
someone who likes 50% girls and 50% boys.. hence the name fitty.

a really really popular bisexual.
"Check out Fitty, mackin on both the girls and boys!"

"Hey Fitty! Your fucking awesome!"
by lblock August 10, 2006
Get a Fitty mug for your buddy Georges.
Fitty is a language that kids between the ages 10-14 use to speak in a funny way! It means friend, or someone's name.
Hi Fitty, Don't be a juty
by SlowpokeBrodie November 07, 2015
Get a Fitty mug for your brother-in-law Callisto.