A man's hairstyle in which the hair is drawn back into a tight coil at the back or top of the head.
 the actor wore blue jeans and a polo shirt, pulling back his hair into a very hipster man bun
 Example sentencesExamples
-  He's been rocking the beard and man bun as recently as last Thursday.
 -  I've witnessed a new phenomenon: man buns—yes, that's when a man wears his long hair in a bun.
 -  He told us he may sport a man bun if it pours on Oscar Sunday.
 -  He kept things interesting with his mane on the red carpet this year and even experimented with a slicked-back man bun.
 -  He was spotted golfing in LA with his luscious locks tied halfway back into a man bun.