Japanese edit

For pronunciation and definitions of あにき – see the following entry.
兄貴
[noun] a big brother (someone who is considered one's senior)
[noun] (slang) a big bro (gang leader)
[proper noun] (informal) A nickname for older or muscular men, but especially including:
[proper noun] (Internet slang) Billy Herrington, gay porn actor
Alternative spelling
アニキ
(This term, あにき, is the hiragana spelling of the above term.)