"bhajan" is a slang for porn movie/video in 'IIT' lingo (the set of slangs used in the Indian Institutes of Technology). Its derived from the Hindi word 'bhajan' meaning a devotional song offered in prayer.

n. The birth name of somebody who has changed their name. Most commonly attributed to trans people, but can be attributed to any person who has changed their name. (sometimes written as two words: dead name)

v. 1. To call somebody by their deadname.
v. 2. To out somebody's deadname to the public.