The word "gad" can have a few different meanings, and I will explain them to you. Let's break it down.
Definition: A "gad" can refer to a sharp pointed tool, often called a "spur," which is fixed to a rider’s heel. It is used to urge a horse to go faster or to respond more quickly.
Definition: "Gad" can also refer to a type of anxiety disorder called Generalized Anxiety Disorder (GAD). This disorder is characterized by chronic, free-floating anxiety, which means a person feels anxious without a specific reason. Symptoms can include tension, sweating, trembling, feeling lightheaded, and irritability.
Definition: As a verb, "gad" means to wander around aimlessly, often in search of fun or pleasure.
While "gad" itself doesn't have specific idioms or phrasal verbs, related expressions could include "gad about," meaning to wander or explore in a light-hearted way.
In summary, "gad" can refer to a tool used by horse riders, a type of anxiety disorder, or an action of wandering aimlessly.