The facial hair of an Asian male who attempts, but cannot succeed in growing a Fu Manchu. The resultant disaster resembles a patchwork of Pubicesque blotches of hair.
"Dude, Mike's Fu Boichu makes him look like a Chester!"

"Dude you need to shave that shit off cause it looks like a Fu Boichu not a Fu Manchu!"
by HailStorm April 11, 2012
Get the Fu Boichu mug.