flashtaging 

Someone who over hashtags their tweets on Twitter to gain more exposure.

most #underrated #britpop band, without question: #supergrass #fuckyou #thingsweneedtochange

"I have to unfollow Steve on Twitter. I am sick of his flashtaging. I can't even get through a message with only 120 characters."

flashtaging by Hashtag Failer September 2, 2011

Russian Flashbang Flashbanging 

When you're doing the russian flashbang to a girl then you get raided by the FBI.

"FBI open up!"

Throws flashbang into room

FBI enters room

They see people doing the russian flashbang

The spetsnaz show up and join in

Putin approval.

"I was doing the russian flashbang flashbanging to this girl the other day, you know when you cum in her eyes and tug on her ears at the same time, then I got raided by the FBI... The worst part is that the Spetsnaz joined in."

Russian Flashbang Flashbanging by Cavalirium June 4, 2021

flashbanging 

The act of crushing dreams.

Ryan is about to get a serious flashbanging.

flashbanging by BJR November 8, 2012

Flashbanging 

Someone says something so so so stupid that it just completely throws you and you briefly consider that you're actually the one whose wrong.

Flashbanging is the stupid person's version of gaslighting.

Flashbanging by John PenBloc July 3, 2018