2. A person most people find loud and egocentric. The person is always right and everyone hates him for it. He goes out of his way to let you know whilst using dictionary words that sound really smart that nobody uses anymore. Furthermore, the person won't let you get any more words in edgewise after he has rebuked their point.
Brian - "Yeah! Go over there and give her some Bill O'Reilly!"
2. Jennifer - "Global warming is real!"
Hank - "Don't be such a poltroon! Eh! Don't try to talk over me! You have to be fair and truthful with the folks! The folks! The folks can't take any more of you inconsistent liberal babble! Don't be a pinhead!"
2. To cram a large dildo up your ass while having phone sex.
See also: ANAL RETENTIVE
in the words of Ludacris "hi mr. O'reilly. Don't forget to kiss the plaintiff an the wifey