look up any word, like dirty sanchez:
 
1.
Japanese word literally meaning 'pretty boy'. Now universally used by anime fans and Otaku to describe attractive males.
Look at his long hair and perfect nails, He's suck a Bishonen! *drool*
by Lejindarybunny September 20, 2004
 
2.
Japanese for transexual.

See also: dickgirl.
I used to think Sephiroth was a chick, but now I know he is just a bishonen.
by Aerydrop February 18, 2007