Use 'noddle' light-heartedly to tease, but avoid offending anyone by implying true stupidity. You're such a noddle for trusting that fake news!
Pro Tip 2/3
Casual Expression
'Noddle' is informal and best used in casual conversations or friendly banter among peers. I can't believe you got lost again, you silly noddle!
Pro Tip 3/3
Cultural Nuance
Be aware that 'noddle' might not be understood globally; it's less common outside of English-speaking countries. My international friends didn't understand when I called them 'noddles'.