take a hike

If someone uses the term take a hike, they mean to ask someone to leave, usually in a rude way. This phrase is most commonly used in an impolite manner in order to tell somebody to leave your presence or leave where they currently are. When someone tells someone to take a hike, they mean to say take a walk in other words, to leave the place they are currently at; usually this is a person not very well liked by the person who says it.