"Trucking" was an old African-American euphemism for having sex (rhyming slang, in this case). The connection is more obvious in the lyrics of the 1936 Blind Boy Fuller version (titled "Truckin' My Blues Away"), which I think is the first recording of the song.
"Trucking" was an old African-American euphemism for having sex (rhyming slang, in this case). The connection is more obvious in the lyrics of the 1936 Blind Boy Fuller version (titled "Truckin' My Blues Away"), which I think is the first recording of the song.