When a girl claims she's on her period to get out of having sex with you.
Jennifer's been giving me the red scare! She's been on her period for over a month!
by Dr. Dos January 26, 2005
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n. When your girlfriend doesn't tell you that she has her period (or doesn't know)and you try to slide into third base hands first, resulting in red all over your hands and a horrified look on your face.
Jacob thought his date was going great, so he slid his hand south only to get hit with the Red Scare.
by Zellars03 December 10, 2007
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where a girl, during mother natures monthly gift, may or may not have leaked somewhere and isnt sure about it and cannot go back to find out.
Girl 1: OH MY GOD.

Girl 2: What?

Girl 1: I am having a red scare moment right now.. I was just riding in a friends car..
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When about four weeks has passed since your last period, and you're worried and anxious about when you're going to get it again.
Me: It's around four weeks since my last period. I should be getting it any day now.
Friend: Yeah, you wouldn't want to get it during the middle of class or something and ruin your clothes.
Me: Yeah. Every four weeks, I go through a Red Scare while I constantly worry about whether my period is about to start or not.
by Fractal-Pterodactyl May 11, 2016
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When a girl claims she's on her period to get out of having sex with you
She has a red scare in her Harry Truman -family guy
by NoAtlanta23-PsN April 23, 2018
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The terrible fear a man feels when his girlfriend doesn't have her monthly period.
Guy 1: Hey, my girl didn't have her period. I can't have a kid right now.

Guy 2: Dude that sucks.

Guy 1: Yeah, I'm def feeling the Red Scare right now.

Guy 2: Should'a worn a condom.
by pbogg March 16, 2011
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