GIMLET EYE

a sharp or piercing eye. —Academy Level I Glossary - Approved November 1990

a sharp or piercing eye.a sharp or piercing eye. So the Instructor checking the thing out, with that altitude, fixes the person who is being checked out for a clean sheet, you see, with a gimlet eye and says, "Have you ever worked under an assumed name?" -Flattening a Process (19 Mar. 64)