by Frank Grimey Grimes July 14, 2018
Loli: Onii-chan, what is this white liquid in my pee hole?
FBI: *thump* *thump* *thump* FBI OPEN UP! *doors and windows blow up and rifles get fired rapidly*
FBI: *thump* *thump* *thump* FBI OPEN UP! *doors and windows blow up and rifles get fired rapidly*
by someunfunnyguy69 July 24, 2018
A term for you to say to someone if something they do is out of the ordinary and/or frowned upon by individuals that use the internet.
Gary: I just got done masturbating to some really good hentai.
Jackson: Did it have Lolis?
Gary: Yeah.
Jackson: FBI OPEN UP
Jackson: Did it have Lolis?
Gary: Yeah.
Jackson: FBI OPEN UP
by thotneeshia September 25, 2018
by NintendoNerd December 19, 2018
When people online are being creepy, the people will comment/reply and say “FBI open up!” showing that if they used that behavior IRL they would probably get arrested.
by Tom Holland’s Girlfriend January 28, 2019
by Afriend_of Allison January 23, 2023
by ihatedylanlmao January 1, 2019