by Caleb Cummins August 26, 2022

by it hurts July 8, 2025

by heylookitsblank March 11, 2019

by jfurrrbabyy May 8, 2019

by yeahnahnahyeamate September 29, 2023

To back out of something at the last minute. Similar to "pussy out." Derived from the word "flaccid," and pronounced "flass out." When one flacces out, his flaccing out is compared to his penis going soft right before a critical juncture in a sexual encounter.
Aaron: Hey bro I don't think I can come rage tonight, I'm feeling sick.
Bro: Aw come on man don't flacc out on me.
Chad: Hey dude why wasn't Aaron there last night?
Dude: Bro told me he flacced out at the last minute.
Chad: What a flacchole.
Bro: Aw come on man don't flacc out on me.
Chad: Hey dude why wasn't Aaron there last night?
Dude: Bro told me he flacced out at the last minute.
Chad: What a flacchole.
by FightOn&FlaccOut June 3, 2013

by Ineedadumpsite777 March 28, 2016
