The Romans coined this phrase for the period during the summer when the Sirius, the Dog Star, would be close to the sun and cause the hot weather. My dog just wants to lay around and drink water which is sage advice for all who have to be outdoors right now.
Jose Guadalupe Posada (1852-1913); [Crowd with large dog]; Relief print
A. Allen; Goldfield's Lightning Express in the Early Days, 1901-1906; Trichromatic halftone
Nell Dorr; [John Dorr holding stick while dog jumps at it]; 1925-1970s; Gelatin silver print; Gift of the Estate of Nell Dorr; ©Nell Dorr