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Use "lipped" in a sentence
"You will hear Peter Mandelson ignoring the questions about whether he discussed aluminium tariffs with Oleg Deripaska and you will see that famous Mandelson thin lipped smile."
"Those mean thin lipped sheep stealing ginga Mac Bastards have got to learn they cannot have it both ways."
"Try as I might, I cannot get any details of them, as my usual "sources" are unusually tight-lipped, which is customary with the matter going before the Canadian courts for a week of trial commencing December 8 th."