block
forget
draw a blank
blank out
unrecallable
blank
oblivious
unremembered
unrememberable
anomia
ungraspable
rememorate
unremembering
unrecollected
misrecall
misremember
antimnemonic
on the tip of one's tongue
forgetful
retrieve
unrecalled
reminisce
forgot
disremember
rememberer
remembrance
mind
memba
misremembrance
anemoia
lethologica
selective amnesia
unmemorable
bewrote
if memory serves
umbethink
un-forgot
was awake
last time I checked
unforgettable
take back
recomember
bespat
ghost-wrote
flashbulb moment
nonremembrance
immemorable
unknew
unremembrance
paramnesia
mental note
nonrecollection
year dot
forgot about
otzovism
unforgot
rewoke
semiautobiographical
unwrote
bespoke
retrospective memory
reminder
couldn't seem
remember like it was yesterday
memorabilia
anamnesis
recollection
reremember
forgetfulness
retrospection
sieve
langsyne
flash back
memory of a goldfish
beknew
misknew
lang syne
undrew
good old days
old times
auld langsyne
beat one's brain
nonrecalled
unrecallably
unremember
senior moment
old
co-wrote
oh yeah