absit omen absit omen /ˈæbsɪt ˈoʊmən/

interjection

1. () A wishful phrase expressing hope that a potential misfortune won't occur, often accompanied by knocking on wood as a superstition to ward off bad luck.  ( absit omen , touch wood )
   A wishful phrase expressing hope that a potential misfortune won't occur, often accompanied by knocking on wood as a superstition to ward off bad luck.