Yours, Etc.: Origins and Uses of 8 Sign-Offs
hairy hair·y (hâr'ē)
adj. hair·i·er, hair·i·est
Covered with hair or hairlike projections.
Consisting of or resembling hair.
[last sense probably fr the hairy monsters of horror films, but the sense of ''difficult'' was used at 19th-century Oxford, and that of ''dangerous'' in the British armed forces of the 1930s]