1915, "opium," from Cantonese yao-kao "opium," literally "drug-sap;" used as such by Raymond Chandler, etc.; by 1950s meaning had expanded to "pictures of nude or scantily clad women," hence gow job "flashy girl," which in teenager slang came to also mean "hot rod."
Examples from the Web for gow
Ultimately, Gow says, the brothers failed in their efforts to recreate the Auroch.
And, as Gow adds wryly from his own personal experience, “To a huge extent they achieved that aim very well.”
Gow was Aide De Camp General to the Queen from 1981 to 1984.Meet the Future Mrs. Benedict Cumberbatch
November 5, 2014
It ruined my last couple of months at Gow, because people were constantly making jokes about me and the hooker.
When my friend and I got back to Gow, we both kind of went our own way.
Outside the door they met Gow Johnson, excitement in his eyes.Northern Lights
Gow and six others were eventually hanged at Execution Dock.The Chronicles of Newgate, vol. 1/2
The behaviour of Gow from his first commitment was reserved and morose.
"He'll see Orion rising if he sits up nights," Gow Johnson said.
Suddenly the voice of Gow Johnson was heard "Don't kill him—let go, boy!"