Someone who doesn't have the balls to tell you they're busy and can't hang out, but still makes plans to 'chillax' so you go out of your way to 'chill' with said flaker, only to have them flake out on you, and then give you some lame ass no ball excuse instead of just being straight up that they're a flakey flake
Per Wall 'Wanna hang out'
Dumb Girlfriend 'Hehehe OK'
Dumb Girlfriend at meet spot, No Per wall at meeting spot
Per Walls Dumb excuse 'I was skateboarding'
Dumb girlfriend crying on phone to friend 'He is such a flake'
Dumb Girlfriend 'Hehehe OK'
Dumb Girlfriend at meet spot, No Per wall at meeting spot
Per Walls Dumb excuse 'I was skateboarding'
Dumb girlfriend crying on phone to friend 'He is such a flake'
by Dumb Girlfriend April 15, 2009

(verb) The verb flake is probably derived from the noun flake. The verb means to act like a flake by being unreliable, particularly by not showing up at an agreed upon time or place.
by BoyntonZ June 7, 2016

Someone who constantly ditches you last minute when you make plans. This type of person will continually promise you that they will be there or that this will be the last time they ditch you but they are lying.
by Drag4d May 30, 2018

Someone who completely leaves people hanging constantly, this person will constantly cancel on plans or do things on their own without any care of whether a friend would like to join them.
"Yeah, Porkins is such a fucking flake. He never wants to hang out with us and constantly would rather do things on his own."
by Failur3 August 21, 2017

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.
Jonty promised to paint Cameron’s house. He never showed up. We made plans saturday to paint and he came up with an excuse why he couldn't show up. Jonty is a flake.
by Camjo February 16, 2022

by lil J #kodiwack February 24, 2017

A twitch streamer who promises their viewers a 24 hour stream but quits very early. This behavior is typically seen in male tft streamers who make fun of people on the autism spectrum and use attractive female streamers as beards.
Steve - "Yo Dave are you excited for K3soju's 24 hour stream tomorrow?" Dave - "hahaha excited? that dude is a hardcore flake. I'd be surprised if he lasted 6 hours."
by BlenderResidentSleeper December 26, 2019
