Definition
To recall or remember something; to experience a flashback.
Origins
Denominal verb of flashback.
How People Actually Use It
Well having some good old fashioned intercourse throw ur partner for a loop and slap them and attacking them screaming they’re in the trees. Then proceed to nut on them using your penis as a powerful machine gun.
"Yeah I pulled a flash back fuck on my girlfriend and now she’s in the hospital."
Source: Urban Dictionary