The term 'Pesky Kid' can be broken down into three crossword solutions: PAIN (4 letters), BRAT (4 letters), and IMP (3 letters). A pesky kid is a child who is often seen as a nuisance, causing trouble and disruption. They are usually characterized by their mischievous behavior, such as teasing, playing pranks, and being disobedient. The word PAIN implies the annoyance and frustration that the child's behavior can cause. BRAT is a slang term for a child who is spoiled and behaves badly. Lastly, IMP is a synonym for a mischievous child, implying their tendency to get into trouble.