This document discusses common idioms used to describe personality traits, including "being a pain in the neck" which refers to someone who is bothersome or annoying. Other idioms examined are "having eyes like a hawk" meaning someone who notices everything, "having one's head in the clouds" referring to being absentminded or unaware, and "having nerves of steel" indicating someone who is brave and patient. Further idioms defined are "having a big mouth" meaning being a gossip, "being a couch potato" referring to a lazy television watcher, and "being down to earth" denoting someone who is realistic and practical. The document also looks at being a "social butterfly" to describe a very social and easygoing