For quotations using this term, see Citations:fuckable.

Mary is informed that Polly is one of those hypocorisms, or pet-names, in which our language abounds. Most are mere abbreviations, as Will, Nat, Pat, Bell, &c., taken usually from the beginning, sometimes from the end of the name.

How! There's bad news. / I must obscure, and hear it.

To anyone who does not know the key, the five characters of the cryptogram are different but the genuine receiver is in no danger of confusion.