When in a dark room with a homie, get their attention. Once you have the attention, rapidly flash your camera flashlight in there direction. While they are disoriented, make your way towards them and rip ass on them.
Guy 1: How did you do it?
Guy 2: I flashbanged him last night when he was laying in his bed, got him right on the head. Dude didn't even know what was opening.
Guy 2: I flashbanged him last night when he was laying in his bed, got him right on the head. Dude didn't even know what was opening.
by SDAntics April 10, 2022

by USRLover2015 April 25, 2017

by Funny goober April 25, 2022

The act of jizzing on someones eyes and clapping their ears at the same time to make the sound of a flashbang.
by bebbeee December 9, 2024

by lettucewithhumanlegs December 16, 2021

When you cum in a girl's eyes and face and smack her ears simultaneous, similar to a Russian Flashbang, then just run away (assumingly to play football)
Dude 1: She wanted me to stay, but I gave her a Portuguese Flashbang because I had a match with the boys!
Dude 2: True bro right here!
Dude 2: True bro right here!
by averageportuguesedude October 26, 2022

by BJR November 8, 2012
