Pop Flash 

A term used in the Counter-Strike: Global Offensive (CS:GO)community for throwing a flashbang grenade that will explode immediately as it comes into enemy view giving the opponents no time to look away or prepare for said flash, usually a skill used by middle to higher skilled players.

Pop flashes are useful for moving into bombsites

Pop Flash by TheJoshStyler October 2, 2015

Pop flash 

Pop flash is when you fart after someone cums inside of you.

Not to be mistaken with CS:GO's pop flash.

Person 1: Yo wanna play pop flash?
Person 2:Yeah mate, who's gonna creampie who?
Person 1: Nigga what?

Pop flash by conadatuamae February 22, 2019