This is the 4622nd most frequent Russian word.
дескать
"Дескать" means "supposedly" or "as if to say," used to convey reported speech or someone else's implied reasoning.
Used to attribute the content of a statement to someone without endorsing its truth.
Он сказал, дескать, всё уже решено.
He said, supposedly, everything was already decided.
Used to convey the idea that the opinion expressed is not necessarily the speaker's own but rather the opinion of the subject addressed.
Она считает, дескать, ему всё позволено.
She thinks, allegedly, he is allowed everything.
Used to imply skepticism or distance from the truth of the cited claim.