The term "buggy" has several meanings depending on its context.
1) In computing, a buggy refers to software or hardware that contains errors or is not functioning properly. It may crash frequently, produce unexpected results, or have security vulnerabilities.
2) In transportation, particularly in the early days of automobiles, "buggy" referred to horse-drawn carriages. These were often replaced by motorcars after the advent of the automobile industry.
3) Informally, buggy can also refer to a stroller or baby carriage for infants.