Filly

[Sarah]

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.

[Sarah]

[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.

[Sarah]

Slang for a filipino/filipina

[Sarah]

A musical term, where you fill in a section with improv.,

[Sarah]

1. to be an idiot/scumbag/asshole

2. a female horse

[Sarah]

short for the word fellow, used mostly when talking about someone you don't know

[Julian]

In [the card game] of [cribbage], it is defined as a crib containing [zero points].

[Little_Girl]

Filly in Horse Racing. Describes a female racehorse of 4 years of age or under.

[Tariq Zaki]

A young female horse, especially one less than four years old.

[Zipporah Schumaker]

Filly in Carriage Driving. Describes a female horse that is no more than four years of age.