Few-shot is an AI prompting technique giving the model a few examples before asking it to do the task. Tech jargon. Not concerning. Common in AI engineering. If your kid uses it constantly, ask them where they first heard it, not to police their speech but to understand which online community they are in. Most slang of this kind moves through TikTok and group chats, so seeing it in your child's vocabulary just means they are plugged into normal teen internet culture.