Definition:- An  idiom  is a  phrase  or expression that typically presents a  figurative , non-literal  meaning  attached to the phrase; but some phrases become figurative idioms while retaining the literal meaning of the phrase. Categorized as  formulaic language , an idiom's figurative meaning is different from the  literal  meaning. Idioms occur frequently in all languages; in  English  alone there are an estimated twenty-five thousand idiomatic expressions. Some idioms A snowball effect Meaning: Something has momentum and builds on each other, much like rolling a snowball down a hill to make it bigger An apple a day keeps the doctor away Meaning: Apples are healthy and good for you Burning bridges Meaning: Damaging a relationship beyond repair Every dog has his day Meaning: Everyone gets their chance to do something big Fit as a fiddle Meaning: Excellent health Go down in flames Meaning: To fail in a spectacular manner Getting a second wind Meaning: Having e