cheeky [ cheek•y]

adjective

impudent or irreverent, typically in an endearingoramusingway

1. informal•British

   (of something pleasurable) consumed or done in an unplanned, rather self-indulgent way.

   "a cheeky grin"

2. Australian

   (in Australian Aboriginal usage) aggressive or potentially dangerous.

   "he was attacked by a cheeky baddie"