His name was John Raffles, and he sometimes wrote jocosely W.A.G. after his signature, observing when he did so, that he was once taught by Leonard Lamb of Finsbury who wrote B.A. after his name, and that he, Raffles, originated the witticism of calling that celebrated principal Ba-Lamb.
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Winston Churchill was well-known for his witticisms.
By the very nature of a witticism, one is given very little time to assess its various possible repercussions before one is called to give voice to it,