When receiving a blowjob, you finish in your partners eyes so all they see is white, and then smack both of their ears so they hear ringing.
Yo did you guys hear Mason flashbang Lauren.
by Evan17 July 26, 2020
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1. To fuck a girl really fast in any orpheus.
2. A stun grenade
Kevin flashbang my pussy please.
by GriffeyJR February 27, 2009
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The sexual act of 3 guys forcing a female to service them at the same time. While one guy sticks it in her mouth, the other two have her jerk them off into her both of her ear holes. All 3 men finish by ejaculating at the same time so that the female's ability to see and hear are inhibited, much like a flashbang.
Person 1-Did you see Jessica last night? That hoe was stumblin around like a damn drunk. It was like she couldn't see or hear anything, like fuckin Hellen Keller!

Person 2-Yea dude, she got flashbanged by a couple of freshmen.
by MoonHulio February 12, 2009
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When a girl flashes you, and then hits you in the face with a door.
Steve: How'd You get a concussion?
Larry: I got flashbanged...
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when you write FLASHBANG on a piece of paper, hand it to someone and once they read it you shank them.
DUDE I GAVE KEVIN A FLASHBANG then we shanked the shit outa him. o man it got everywhere....
by atticus February 20, 2005
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After a long session of flirting and playing around when "blue balling" occurs you proceed to walk into the bathrooom and release the massive load of backed up semen into some toilet paper. When the pain has been releived you now proceed to sprint full force back into the room performing a baseball slide into the bed launching the semen covered toilet paper into the whores face.
Tom: Yo man how was that girl last night?
Victor: Bro she blue balled the shit out of me.
Tom: Haha, did you do anything about it?
Victor: Yea bro I flashbanged the shit out of that whore and her slutty roomate.
Tom: Damn, I was wondering what that flash was next door.
Victor: Yea that bitch got it good, UAV ONLINE.

by 4-i Freedom April 8, 2008
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When a girl is sucking your peen and your about to jizz so you take your dick out of her mouth and yell, “Flashbang!!” As you jizz in her eyes, blinding her.
I gave that bitch a flashbang on my bed then broke up with her the next day.
by MDMA USER 69 May 29, 2019
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