memory spasm Share definition Flag The twitching reaction one gets when a person, place, or thing triggers an embarrassing flashback. When I try to look for a baby pic for a TBT in my family's photo albums, I get so many fucking memory spasms. memory spasm by Beyonce's Bottom Bitch June 8, 2015 0 0 Get merch Get the memory spasm mug. Buy Now — $32.95 See more merch