duovigintillion

the number 1, followed by 69 0's
(1000000000000000000000000000000000000000000000000000000000000000000000)

Random idiot: what is the second coolest number?
Me: 1 duovigintillion of course!

antidisestablishmetarianism

the wrong spelling for antidisestablishmentarianism

hey, can you say antidisestablishmetarianism? *slyly smirks*
yes, but you spelled it wrong.
what?
you spelled it wrong. you said antidisestablishmetarianism, its antidisestablishmentarianism.
but were speaking... how can I spell something wrong if were speaking?
because you're an idiot.