cookie pusher

noun2

1. •
   (slang, disapproving) A diplomat, especially a member of the United States Foreign Service.

   • Early in 1951, Lovett told reporters: “He's no cookie pusher. He's a giant.” Francis Russell from public affairs, who chatted with him often, said he never mentioned McCarthy. — 2009
2. •
   (slang, old-fashioned) A waitress.