The term 'OFT-MISUSED PRONOUN' is a reference to the pronoun 'whom', which is often misused in English. It is a four-letter word that is used as an object pronoun, typically following a preposition. It is also used to refer to the object of a verb or verbal phrase. In some cases, it can be used to refer to the subject of a sentence. The misuse of 'whom' is a common mistake among English speakers, and it is important to understand the correct usage of this pronoun.