gidder

Gidder is a slang term, primarily used in the United Kingdom, to describe a person who is considered foolish, foolish, or slightly eccentric. It is a mild and often affectionate insult, not typically intended to cause serious offense. The word can be used to describe someone who has done something silly or has a generally naive outlook on life.

The origin of the term "gidder" is not definitively known, but it is thought to be an alteration of the word "giddy," which also implies a lack of seriousness or being lightheaded. It is often used in informal settings among friends and acquaintances. Examples of its usage might include calling someone a "gidder" for forgetting something obvious or for making a clumsy mistake. The term's prevalence and specific connotations can vary slightly depending on regional dialect and social circles. It is generally understood within British colloquial English.