tall tale
insane
ridiculousness
demented
cock-and-bull story
why not Zoidberg
antijoke
farfetched
superunbelievable
ab absurdo
gape-mouthed
bruh
cloud-cuckoo-land
far-fetched
through the looking-glass
chimaera
illusionistically
on acid
chimera
semihysterical
crazy
you can't make this stuff up
holy cow
God Almighty
Mittyesque
go on
beggar belief
bizarreness
mind-blowing
screwy
preposterous
phantom
frivolous
eccentrically
enough to make a cat laugh
charlatanic
holy Toledo
shut my mouth
psycho
antic
unimaginable
absurdist
fancying
fictitiously
dwaal
flabbergastingly