1. A mindless drone.
2. A sheep, that is, one who follows the crowd
3. Opposite of round
4. A shortened form of flatass, meaning something that is hip, cool, or awesome.
1. That robot such a freaking flatty it's not funny.
2. Yeah, them hipster hottie chicks. They such flatties they on the field baaing!
3. Muhaha! My circle is round but yours is a bigly flatty.
4. Woah, man, this new car is way flatty (that is, flatass).
by Sentar Torater November 20, 2006
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the worst type of fat chick. (fat AND no boobs)
"Check out that flattie, shes just your size Brady."
by CORE LansingMi September 1, 2008
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Shortened term for the fish flathead. No teeth but lots of fight. Stubborn and hard to get..

Also term for ugly sand dweller who hates others.
"I went fishing last night a caught a flatty. "

Ned"Geez did u see that flatty over there???"
Dez "Better throw her a line so she can catch the next bus outta here"
by Spahaz donquay March 31, 2020
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To urinate, whilst fishing. Said to have originated in South Perth.
Fisherman 1: I'm going to have a flatty.
Fisherman 2: Word.
by Mike clit November 2, 2008
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a person or thing with an abnormally flat butt.
gee wiz that boy is a flatty.
by The Three Wenches September 17, 2011
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Slang name for someone who believes that Earth is flat, i.e., not spheroid.
Dude, did you just call me a flattie? You just flat-shamed me!
Yeah, I'm a flattie and proud of it, you globetard.
by Spellking August 24, 2017
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1. Noun - Girls wit no lump on the butt.
The girl that sits in front of you has a flatty.
by Djcena April 8, 2008
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