Mabel's Dogs Are Tired

"You can credit America's youth and their love of counter culture slang for the connection between the two seemingly unrelated words – "dogs" and "feet." According to Tom Dalzell, author of Flappers 2 Rappers: American Youth Slang (Merriam Webster, October 1996), it was during the Jazz Age of the 1920's that "dogs" was used as a noun to indicate feet. "