roast

The Art of ChoosingのSong of Myselfの章に誰でも知っている単語、"roast" ですが、私も知っている "roast beef" の "roast"とは全く違う意味で使われていました。
Once in office, though, Bush was criticized for parroting certain mantras with little regard for "the realties on the ground." "In his roast of the president at the 2006 White House Correspondents Dinner, comedian Stephen Colbert "praised" Bush by saying, "The greatest thing about this man is he's steady. You know where he stands. He believes the same thing Wednesday that he believed on Monday--no matter what happened Tuesday."
さあ、この "roast" の意味は何でしょう？　辞書を見ます。
・Oxford English Dictionary: A banquet to honor a person at which the honoree is subjected to good-natured ridicule.: Occasions like this one - celebrations, toasts, roasts - have a tendency to look back on what has been achieved, what happened when, what is retained in the old memory banks.
・Merriam-Webster's Online Dictionary: an event at which someone is honored and people tell jokes or funny stories about that person in a friendly way/a banquet honoring a person (as a celebrity) who is subjected to humorous tongue-in-cheek ridicule by friends
なるほど面白い意味ですね。西洋の宴会では "roast beef" は付き物なので出来た意味なのでしょう。しかし、対応する適当な日本語は、少なくとも一語ではないですね。