When the palms of a person's hands are so dry that they leave a what looks like dandruff on what ever they touch.
My golf in structor, Scott, gets his handruff all over me. I have to shower twice to get it all off!
by FutureUSOpenChamp November 03, 2011
The state in which your hands are excessively dry and skin peels off, similar to dandruff.
"Man, put some lotion on you have total handruff."
by AriaK January 05, 2010