Flaring Uterus 

It is the equivalent to a male boner but is used to refer to a female having a bonar. For slang it is referred to as having a FU.

I saw this super cute boy and I have a huge flaring uterus right now.

Flaring Uterus by AmyandKim April 24, 2011

Flamin' Hamburgers 

A exclamatory response usually said after a surprising event or situation.

Or

Used as a an attempt to avoid saying 'Fuck' in front of children with the 'F' prolonged in an attempt to change the word. "FFFFFlamin' Hamburgers!"

Related to Flamin' Hell, Flamin' Heck.

FFFFFlamin' Hamburgers!

Flamin' Hamburgers by bomberto July 9, 2011

flaminio 

Flaminio means a scary old tart

Watch out theres a flaminio

flaminio by himynameisbobfrank July 9, 2017

Falming 

a feeling of enjoyment while being calm and quite

I feel falming when I'm playing my instrument.

Falming by xxAZNxx October 2, 2017

Holly Fleming 

A total Badass person to be friends with but constantly hisses their head off.May kill you when you are sleeping so if you wake up to a hissing noise you know its badass Holly Fleming (that bitch)

GIRL 1: Dude your acting like a Holly Fleming
GIRL 2: Oh shut up you

Holly Fleming by herosday March 5, 2017

Flu flamming

Sucking penis in jail for money

Tyrone was caught flu flamming
Tyrone was caught sucking dick in jail

Flu flamming by _trevonte_ December 15, 2018

flamming muffin 

like a regular muffin except you light it on fire before throwing it in their face

ahhh you just threw a flamming muffin in my face

flamming muffin by jagger the dagger November 30, 2006