The sign "close-by-a-hair" means: "That was a close
Reach up and grab an imaginary hair on the side of your upper forehead.
Using and extremely quick arching movement pull the hair out and then move it
downward a few inches.
"BY-A-HAIR" is an "ASL
idiom." The sign appears to depict the "pulling of a hair" but
in actuality conveys the meaning of "nearly," "almost," "that was a
close one," and "narrowly escaped a negative happening."
You can learn
Language (ASL) online at American Sign Language University ™
ASL resources by Lifeprint.com © Dr. William Vicars