she is the girl with blue hair who sits in the middle of the class yells at everyone, thinks she is rachet, and screams at you when you look at her for a second. This is known as a Blue Cheeto girl
by Gunna the pimp January 21, 2022

Blue Waffles is a term that refers to a sexually transmitted disease caused in the female genitalia that turns the vagina blue, thus called Blue Waffles, where "waffles" is a slang term for vagina. It is in fact a hoax. A photoshopped image that went viral in 2010.
by Mr. Explain March 28, 2022

An explanation or excuse for something that seems unreasonable, unrealistic or just plain half-assed but is still accepted (like how blue raspberries don’t really exist but it’s still a common flavor).
“My sick note was so blue-raspberry but Mr Johnson let me sit out of P.E anyway- he just doesn’t give a shit”
by LI0NESS April 1, 2024

When a total dicknose that you know tries to describe the new mazda RX-8 and says "It was like.. totally... It was... blue."
by Guy Dingle (P.S. I love the cock.) April 14, 2004

Someone/something that is so extremely sketch that it is beyond the classification of a red flag.
Originates from the railroad practice of using blue flags on trains to signify to people that a locomotive and anything connected to it should not and cannot be touched by anyone other than it's crew.
Originates from the railroad practice of using blue flags on trains to signify to people that a locomotive and anything connected to it should not and cannot be touched by anyone other than it's crew.
Guy 1: "Bro, I just started reading Burrows and Mark is so fucking hot."
Guy 2: "Don't bother, he's a blue flag."
Guy 2: "Don't bother, he's a blue flag."
by country_cooker March 18, 2024

When you feel sleepy after lunch, making it hard to be productive at work because you're sleepy. Food coma, but specifically after lunch.
by Anynomousssee February 10, 2022

by Phg2o7 November 3, 2022
