When a person has a resting facial expression which is incredibly vacant and vaguely shocked. Suggesting the person is having a flashback to an experience had in the Vietnam War.
"Woah that guy looks scared."
"Nah, he's just got Vietnam flashback face."
by 11jadaway February 24, 2016
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A flashback of a traumatising or embarrassing memory.
Bob: Hey, remember our tenth grade geography teacher? She was so hot!

Joe: I still have Vietnam war flashbacks of when she caught me staring at her huge tits...
by moldovaball January 31, 2018
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A flashback about something probally traumatizing like the apple alarm going off when your best dreams are happening or the Vietnam war
im having Vietnam flashback from being jumscared by earape music
by user that exists February 9, 2022
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When you remember something traumatic, it seems like your back at war.
Person 1: “last night was so crazy
Person 2: “I’m getting Vietnam flashbacks, it was so bad.”
by Hrpy/ I luv nedyaj March 20, 2022
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