Flake 

A flake is someone who generally makes plans with you, promises to do things with or for you but can never seem to follow through. When confronted with their behavior they usually get defensive and run away.

Jane doe promised to go out with me. She never showed up. We made plans saturday night and she came up with an excuse why she couldn't show up. Jane is a flake.

Flake by rubberjohnny7 March 29, 2011

Flake 

Somebody who almost never follows through on their word. A true flake will tell you they'll "Totally come" to an event that you put endless effort into organizing up until the day before, and then the day of the said event they're not showing up nor answering your calls or texts. These types of people are the masterminds at taking advantage of your kindness. Their constant flaking out not only succeeds in blatantly using you for your known kindness. No. When you see people flake on you, it makes you feel bad about yourself wondering what you did to make them do something like that. Flaking out subtly says "My time is more important than your time" or, better yet, "Your time don't mean shit to me." Flakes are unneeded negative energy in your life. It is recommended that you keep contact with these selfish pricks to a bare minimum, if at all.

"I have zero tolerance for flakes. Nobody will take advantage of me like that."

"That flake bailed on me at the last minute!"

Flake by BassDude July 19, 2014

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

flake 

high quality cocaine

hey we going to get some flake for your birthday lad, its well strong but its pricey a hundred quid a gram

flake by merlin sheets July 31, 2012

Flake 

Someone who says that he/she will hang out with you, but then cancels at the last minute.

Someone that you made plans with, but then that person changes his/her mind when you've been waiting all day.

Someone that you plan on meeting, but then that person doesn't hit you back until the next day, saying "hi" like everything is alright or some s*** like that.

Sarah: Yeah, we can hang out tonight after I get off work at 7 PM. :)

Me: Alright, cool :). Just let me know where you want to meet.

*8 PM*

Me: ?

Sarah: Oh sorry, I've just been so busy today. Can we hang out next time?

Me: No. F*** you b****. Wasting my goddamn time. I hate people that flake. Say something if you can't hang out with me so I can do other s*** and not waste time seeing what's up with you.

Flake by Ihateflakes October 19, 2012

Flake 

Someone who agrees to do something, than leaves right at the last second. Aka Jaden

Wow, Jaden is such a flake, he always agrees to something , than leaves at the last second. Flake

Flake by NS09 October 12, 2015

Flake 

A form of cocaine that is stronger/more pure/better. It will be more expensive but much better.

It's 2 for 50 of the normal stuff or flake is 60 for 1

Flake by The taxi man July 25, 2018