Todays expressions When pigs fly If you say when pigs fly you mean that something will never happen . For example : Sure shell help us clean the house, when pigs fly. grease someones palm Meaning If you grease someones palm, you pay them a bribe. For example The only way to get a government contract around here is to grease someones palm. If you want to get out of jail, grease the wardens palm and the guards will let you escape. Dumb dogs are dangerous Meaning People who say little or nothing are more dangerous than people who speak a lot. Note dumb (adj.): unable to speak; unspeaking, silent | Compare this proverb to: "Barking dogs seldom bite." Happy Learning 118 views03:30