flake 

n. An unreliable person; someone who agrees to do something, but never follows through.

1. John called in sick to work again today. He's such a flake.

2. Mary said she would do the research for our project, but it's been a week and she hasn't done a thing. She's such a flake.

flake by Gargouille June 4, 2005

Craigslist Flake 

a craigslist buyer who responds to a craigslist post numerous times asking if the item for sale is "still available", then not responding once they learn "it is available". 2) a craigslist buyer who asks for the sellers home address, then once receiving the information does not respond, nor show up for the appointment.

The burglary victim suspected a Craigslist Flake committed the crime, and gave a list of email addresses to the police.

Craigslist Flake by JoJo2 November 9, 2008

booty flake

The flakes of shit left in the ass of one who didn't wipe well enough.

I was eating this girls ass the other day and a booty flake got stuck in my teeth

booty flake by booty flake January 12, 2015

anal flake 

small skin pieces that fall from the anal cleft when panties or britches are lowered most common in individuals who lack sufficient sweat glands to keep the skin moist

Dude, have you seen Sally?
Not but we can follow the trail of anal flakes till we stumble up on her ass.

anal flake by drpoonandtheteenangels April 20, 2009

Pudding Flakes 

Smeared dried shit that fall into your underwear like dandruff much like small flakes.

Mark "Wow last nights pizza and beer had me wiping forever"
Nick "In a few hours your going to have pudding flakes"

Pudding Flakes by illskillz March 9, 2008

bell flake

the cheesey build up on your bell end, sometimes it reaches a critical level and turns yellow and you notice people that sit near you are sick into their mouth a little bit.

a man sits on a duvet naked when he stands there is a small yellow circle left in his place "richard go and wash your cock you bell flake"

bell flake by dangerous donnivan April 9, 2008

Poo-flakes 

also known as Arse dandruff and Butt crumbs

small specks of poo that fall down on to the toilet seat while wiping. Particularly visible on white toilet seats (but carpets do an excellent job of concealing them). Usually observed among those with hairy cracks and high-fibre diets.

Son: Dad, did Uncle Jim come to visit again?
Father: Yes, why do you ask?
Son: I saw some poo-flakes on the toilet seat.

Poo-flakes by coazeau July 29, 2012