A term used for people with mascara on when an emotional moment comes up the mascara may mess up their face when they cry.

Commonly used on the BBC Radio 2 Breakfast Show with Chris Evans, where he warns listeners wearing mascara when he talks about something emotional.
Mark: Hey Lucy, Wanna watch Titanic with me? There might be a mascara warning.
Lucy: Sure.
by Ipsylon October 8, 2018
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person 1 : "Hey, next time you come, things might not go well. Take that as a friendly warning."
person 2 : "yeah sure that's very friendly"
by Sossololpipi January 30, 2021
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An automated message that notifies you about your message to some e-mail is delayed or fails. It used to appear on Gmail in mid-2010s, now it appears on Protonmail.

I don't know the purpose of using uppercase letters, like that's unprofessional.
THIS IS A WARNING MESSAGE ONLY. YOU DO NOT NEED TO RESEND YOUR MESSAGE.
Delivery to the following recipient has been delayed: (email address)
Message will be retired for 2 more day(s)
by Shiine-1 September 2, 2022
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When ur having sex with a Jew and his/her dad comes home and neither of you realize until he’s walking up the stairs.
Friend: I heard u had sex with that Jewish chick last night, huh?

Guy: Yeah, it kinda sucked, though. Right as I was about to finish I got hit by a Jew minute warning
by MackZee February 3, 2020
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Warning week is a week at school where they dring metal detectorss, drug dogs, and a lot of cops to the campus. They use it to try to scare kids into not bringing their stuff.
Todays Warning week be careful and dont bring your cart to school.
by RandomDruggie September 26, 2022
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The act of announcing to anyone in the room to not enter the toilets for a specified length of time after taking a particularly heinous dump
Person 1: I'd give that about 20 minutes guys, I just deported some Romanians

Person 2: Thanks for the fallout warning
by CaptainInnuendo August 8, 2017
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