Contraction of "none of your damn business". Can be used whenever that longer phrase would be appropriate
by Chizz October 11, 2004
WHO WERE YOU WITH LAST NIGHT? NONE YA!
by DALLAS#1 September 03, 2008
by pitbullmommy June 23, 2008
response to replace the over-used "talk to the hand"; response to a nosey or inquisitve person undeserving of a response; made (more) famous when Joan said it on "Girlfriends"
by Noneya August 22, 2003