TAKE HIS FINGER OFF HIS NUMBER

stop watching something closely, resulting in a blunder. A variation of lose one's number, with reference to a lottery number or some other number by or with which one may b e identified, as an army number. —SHSBC Binder 5 Approved Glossary

stop watching something closely, resulting in a blunder. A variation of lose one's number, with reference to a lottery number or some other number by or with which one may be identified, as an army number.