: You may be referring to academic papers that analyze the works of Es'ad Erbilî or other Ottoman-era poets, where "meftun olarak" is a central motif in their "İster" redifli (refrained) poems.
(PDF) Es'ad Erbilî'nin 'İster' Redifli Na'tının Şerhi - Academia.edu Meftun Olarak
: The phrase is also the title of popular instrumental background music and visual art pieces often shared in spiritual or poetic Turkish circles. Meftun Olarak -Fon Müzik - SoundCloud : You may be referring to academic papers