How do you spell hung on you?

"Hung on you" is spelled correctly as it is. However, the past participle of "hang" can be spelled "hung" or " hanged," depending on the meaning.

* Hung is used when referring to the act of suspending something, like a picture on a wall or clothes on a line.

* Hanged is used when referring to the act of executing someone by hanging.

Therefore, in this case, "hung" is the correct spelling because it refers to the act of being emotionally attached to someone.