n. The raising of office worker heads over cubicle walls in response to a loud noise or to facilitate conversation.
1999
Such borderless, barrier-reducing offices are gaining popularity, said architect William Jay Hartman, an expert on office interior design. . . .Hartman said such a design is not right for everyone. But carefully planned, it encourages effective "prairie dogging".
1997
"Prairie-dogging," the growing practice of standing up, looking, and often talking over the top of office panels, has become an often-debated and somewhat controversial issue.
1997 (earliest)
Prairie Dogging When someone yells or drops something loudly in an office, prompting everyone's head to pop up over their cubicle walls to see what's going on.
This origin of this phrase is likely a Dilbert cartoon that ran on July 24, 1992. This three-panel strip has an image labeled "Prairie Dogs" in the first panel, "Office Workers" (Dilbert characters looking over their cubicle walls) in the second panel, and "Prairie Dog Workers" in the third panel.