care factor zero
no worries
no matter
forget it
ish ka bibble
zero fucks given
nonimportant
no matter that
hell if I care
futility
unacerbic
it's all Greek to me
ain't nothing but a thang
ion
you're good
I don't want to buy anything
couldn't care less
categoryless
does not compute
bite me
don't sweat it
flea
same difference
hill of beans
uninvestigating
could care less
nabocklish
fuggedaboudit
sucks to be you
nonconcerned
not my circus, not my monkeys
noncompensating
shit
nicen up
NFG
fuck if I know
nonacknowledging
unimportant
uncared
never you mind
nonimportable
zero
get up the yard
upter
nil
unsignificative
unexamining
nonsignificative
unassuaging
unfond