mind-frying
get out of here
no shit
rats
do me a lemon
pull the other one, it's got bells on
I can't even
no way
come off it
get away
come on
horsefeathers
get along with you
get out of town
willing suspension of disbelief
oh worm
do me a favour
implausibility
Moses
you've got to be kidding me
implausibleness
gimme a break
astaghfirullah
whiskey tango foxtrot
strike dumb
what the actual fuck
bollocks
lame
go on
get real
breathtakingly
speechlessness
hysteric
catcall
flummery
get on
gasper
skrik
bosh
stupefaction
what
eyebrow-raiser
no kidding
aah
screw off
astonishable
by God's teeth
holy guacamole
nu
oh really