chinny reckon
bullshit
come off it
come on
gimme a break
rats
skeptically
horsefeathers
addubitation
get along with you
fuck off
with a grain of salt
dubitation
you've got to be kidding me
with all the salt in the Dead Sea
sibo
bugger off
what is this I don't even
get out of here
I'll be dipped in shit
get away
yeah, right
your ass
dubious
umbrage
yeah, yeah
nonsense
I'll be a monkey's uncle
doubter
do me a lemon
oh worm
pull the other one, it's got bells on
flummery
fishy
pray tell
get on
doubtingly
what
screw off
O ye of little faith
blur
dubiety
get to fuck
misgivingly
garn
nu
doubtful
get real
short
willing suspension of disbelief