The phrase "Dallas spanks hard Rawhide" refers to Dallas Storm , a character in the television western , specifically in the series' very first episode, " Incident of the Tumbleweed Portrayed by Terry Moore Dallas Storm

The term "spanks" here is a conscious understatement. In the Dallas hard rawhide tradition, a "spanking" is not a playful ottoman session. It is a rite of endurance. Veterans describe the sensation as "being slapped by a frozen Bible wrapped in sandpaper." The "hard" modifies both the material and the intensity.

When a cowboy had to "spank" a stubborn herd into motion, the crack of a rawhide leather whip was the sound of progress. Today, that same toughness is baked into the DNA of Dallas. Dallas Sports: Spanking the Competition

“Our Q3 targets were Hard Rawhide, but the Dallas office spanked them with record sales numbers.”