Etu atau tinju tradisional yang dilaksanakan di Kabupaten Nagekeo merupakan salah satu tahapan dari ritual pasca panen (Gua Meze). Etu dipercaya sebagai ungkapan rasa syukur masyarakat lokal atas berkah dalam panen musim panas dan wujud bagi kaum laki-laki untuk mempresentasikan kembali maskulinitas dirinya melalui Etu. Penelitian di Kampung Adat Tutubhada Desa Rendu Tutubhada Kecamatan Aesesa Selatan Kabupaten Nagekeo dilakukan dengan tujuan untuk mengetahui bagaimana representasi maskulinitas seorang laki-laki pada ritual Etu. Penelitian ini menggunakan pendekatan kualitatif deskriptif. Sumber data disusun berdasarkan studi pustaka penelitian terdahulu, pengamatan di lapangan, wawancara, dan dokumen. Hasil yang dicapai dalam penelitian ini adalah penjelasan mengenai rangkaian, pelaku, perlengkapan, dan aturan dari Etu di Kampung Adat Tutubhada, eksistensi Etu di masa kini, serta bagaimana Etu dapat merepresentasikan maskulinitas laki-laki selaku pelaku ritual.‘Etu’, which is a traditional form of ceremonial boxing practiced in Nagekeo Regency, is one stage of the post-harvest rituals Gua Meze. ‘Etu’ is believed to be a form of expression of gratitude offered by the local community for the blessings that have been received in the harvest and at the same time also serves as a form to represent the masculinity. The research which has been conducted in Kampung Adat Tutubhada - which is situated in the village of Rendu Tutubhada in South Aesesa District, Nagekeo Regency - aims to reveal how the masculinity is represented in ‘Etu’. The research used the descriptive qualitative method. Sources of data in the research were compiled based on the literature study of previous research, field observations, interviews, and documents. The results achieved in this study explain in detail 'Etu' in Kampung Adat Tutubhada that includes a sequence of activities, performers, equipment, and rules, the current existence of ‘Etu’ as well as to draw how ‘Etu’ can represent the masculinity of men as the ritual performers.