flirtless 

adjective.
when somebody you flirt with, doesn't flirt back.
sounds like, "shirtless".

i feel flirtless.

said to the girl you have been flirting with, when she blows off your flirting, with other words, that are definitely not flirting words .
"now i am flirtless".

flirtless by kr338r May 15, 2011

Flightless Bird 

The saddest fanfic of all time! Read it on AO3 by audreyheart

LARRY!

A: have you read Flightless Bird?

B: isn’t that the one that had you sobbing for 4 hours after you read it?

A: Yeah, and?
B: I value my mental health

Flightless Bird by Larrybaby September 6, 2021

Flirtension 

combination of flirtation and tension. Used to describe sexual tension generated by flirtation between two individuals. created by writer Tom Rowsell

The flirtension was building up bad enough to make my bollocks blue

Flirtension by Tom Rowsell October 4, 2008

Flightless skin bird

A metaphor for the penis, cock, dick etc.

Damn girl...you tryin to give my flightless skin bird wings?

Flightless skin bird by Dean Gallberry March 25, 2019

flirtease 

a girl who is a flirt and a tease

ohman that hot chick is such a flirtease

flirtease by yooooo November 27, 2007

Flirties 

when you don't have anyone to flirt with, you get "flirties". it's like energy, where people say they need to get their energy out.

my boyfriend's at camp, so i got my flirties out with a different camp hookup :X

Flirties by lost in the mail? August 10, 2009

Flightless Eagle

To hang out with the Eagle Gang but not have your wings. Being like PK.

PK your such a flightless eagle!

Flightless Eagle by Blizzy Wru June 19, 2011