Definition & Meaning of "bammy"in English

What does "bammy" mean in Scottish slang?

It is used in Scotland, especially in Glasgow and the West of Scotland, to mean crazy, foolish, or acting wildly, unpredictably, or out of control. People typically say "He went bammy" or "Are you bammy?" The term originated in 20th century Scottish slang, and remains common in casual speech, often in phrases like "bammy" or "bamstick" for a foolish person.