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 confusing/disappointing person whom you have misjudged as a reliable, that continues to vote party lines.
And is appropriately named Jeff Flake, the Arizona Senator.
And is appropriately named Jeff Flake, the Arizona Senator.
Jeff Flake called for a postponement of the Kavanaugh vote, as if he cared. Then flaked out and voted with the party of deplorables anyway.
by Angry snowflake in Detroit October 7, 2018

A person who is always bailing on plans that they make. Once or twice is understandle but multiple times just shows that they dont care and it's who they are. Unreliable
Don't invite that dude bc he will always tell you he can do something but then at the last minute he will bail. He is just generally flakey.
by SHS22 December 18, 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

by forteblast January 2, 2011
