Joe gingerly pressed the king-sized hotel mattress with his index finger, grimacing as he felt it give easily; no doubt from years of couples' hobnailing upon it.
Derived from hobnailed boots that are heavy durable boots with hobnails through the soles. If you kicked someone with a hobnailed boot, you'd likely do some damage.
Nigel gave Gerald a proper hobnailing that night and now Gerald eats through a straw
To shamelessly pander for a Pulitzer or other, similar award, especially by choosing as one's theme, certain hot-button social issues that the committee would likely feel obliged to vote for. (Possibly a conflation of Hobbes' "war of all against all" with Machiavelli's advice to give lip-service to virtue but act viciously.)