in the buff
US /ɪn ðə bʌf/
UK /ɪn ðə bʌf/

1.
telanjang, tanpa pakaian
naked
:
•
He was caught walking around in the buff.
Dia ditangkap berjalan-jalan telanjang.
•
She felt comfortable swimming in the buff in the secluded lake.
Dia berasa selesa berenang telanjang di tasik terpencil itu.