I don't want it
I don't want to talk about it
la la la
I'm full
would it kill someone
refusal
going once, going twice
discountably
wait
gag
me neither
for reasons
impulsive speech
unmentionable
disobliging
plead the Fifth
nonresponder
don't get someone started
regrets only
discourteous
intransigentist
be cool
sticks and stones may break my bones, but words will never hurt me
guest speaker
who cares
fence-sitter
get off of someone's cloud
that's for me to know and you to find out
ignore
preach in the desert
let's not and say we did
undemandingly
whatever
inertia
negativist
uninclined
press-gang
umlessness
inactive
back channel
don't pass go
rid
spoiler alert
not so much
nonacquiescing
I don't eat meat
firm
interpose
unapologetic
apostrophize
I have a question
so what
save one's breath to cool one's porridge
impersuasible
say it, don't spray it
hot microphone
deter
shrug
conversation stopper
no means no
talk someone out of something
unexhorted
negativism
non-responder
pardon my French
reject
rejection
turn a deaf ear
no thank you
stopper
nonsense
eavesdrop
peep
underrecognize
unvitation
as you like
the buck stops here
ungrateful person
reticence
fancy seeing you here
thankless wretch
unimplored
I don't eat fish
ingrate
reluctant
no, thanks
something
I don't understand
withholder
mokusatsu
do not want
lastly
unadmittedly
er
can you tell us
save one's breath
white noise
cut someone cold
loosen someone's tongue