One whom you fall in love with, and get into a serious relationship despite the both of you are already in a serious relationship with other people.
"Yo, man, what was you doin' kissin up on Sarah last night?" "Dude, it's all cool, she's my flashe." "I don't think Denise would much like that, but then again, she's had Mike as a flashe for about a year now"
by Hardtack August 29, 2018

by Noodlememelord February 9, 2019

A famous Team Flash by a Standoff 2 player called Sypher. Basically it means you Flash your own Teammates and don’t Admit that you did it.
by Äcu. November 4, 2020

by svatn December 31, 2014

me- hey hey what up dawg i lik ham and cheese e on pikles of rik
friend- shit u have gone mega flash
me- vroom vroom I'm flash I run fast!!!
friend- shit u have gone mega flash
me- vroom vroom I'm flash I run fast!!!
by The Neighbour's Kid May 13, 2020

a flash feeling is a random burst of emotion, usually lasting only about 5-20 mins. A flash feelings project/ piece is a piece of artwork completed within that timeframe which expresses that emotion
-wow dude these paintings are really good! but why are they all so depressing?
- ngl it was a flash feelings project
- ngl it was a flash feelings project
by Jewish bob the builder December 27, 2021

*Johnny post a selfie of he drinking a same cup of tea with his GF on facebook.*
Stop flashing lights at us, Johnny, you are irritating me.
Stop flashing lights at us, Johnny, you are irritating me.
by Lxiaoqi April 28, 2018
