attention seeker; look-at-me type
Colloquial, often mocking term for someone who constantly craves attention or sympathy, similar to 'drama queen' or 'needy person'. Used as a noun or noun-like expression.
He's always an attention seeker, quickly saying 'I'm lonely'.
SNSで構ってちゃんの投稿がうざい。
Attention-seeking posts on social media are annoying.