you tell me
no idea
iunno
search me
don't ask me
beats me
your guess is as good as mine
DK
fuck knows
you ask me, I ask who
nonfamiliar
donchaknow
noncertain
unprecise
uncertain
nonprecise
fuck if I know
puzzly
unfamiliarized
fugg
unexact
nondefinite
dudder
bollix
head-scratching
confusement
nonclear
muddy
imprecise
don't-know
confuzzlement
unknown
shut up
gnomesayin
whaddayaknow
inexact
unfamiliar
unelaborated
suspensory
head-scratcher
mind-boggler
spuddle
whatdoyoucallit
boggler
bedsitter
not have the faintest idea
mazy
not have the faintest
perplexing
nubilous