Top definition
a girl, chixor, chick, lady, female
man i wana get down with that filly
by lumberjack September 24, 2003
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May 11 Word of the Day
A euphemism for “kill me” now that composting oneself after one’s death has become popular.
All right, why don’t you just compost me?
by Dr Bunnygirl March 22, 2020
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2
A stylish young woman.

In Australia, it specifically refers to a young woman dressed up for the Spring Racing Carnival in Melbourne. Additionally, it is usually only used in the plural form.

It is taken from the term for a young female horse before she is old enough for racing.
1. "What a fine filly!"
2. "Check out those fillies in The Birdcage!"
by stuckdan November 06, 2007
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3
In the card game of cribbage, it is defined as a crib containing zero points.
"Oh man, Shane got a Filly!"
by Showels April 12, 2019
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5
n. fil-ee
noun, plural: -lies

Typically refers to 13-30 year old female fans of the 2010 reboot of the show My Little Pony: Friendship is Magic. Similar as, but not to be confused with: "brony" (bro+pony) which is more often used for the male equivalent. It is a well-known and undisputed fact that bronies are on average about...20% more awesome due to their rarity.
ex. "You wouldn't think she would still watch that show at her age, but she's obsessed. She's a total filly!"
by LottieTheLolita August 19, 2011
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6
A female horse up to THREE years of age not two you dumbass.
Look, that filly just kicked the shit out of that loser!
by Missing8519 August 19, 2005
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