Closer to remove the stand while damaging him.
Ermes had used the stand kiss to remove the stand knocking him at the same time.
Luckily for ermes kiss had shown the power of working on soul based objects (see the ghost room mentioned already).
(Also stands can seemingly take away the discs white implanted as even stone free does that).
Though then again suddenly I remember that even a bloodlusted Saitama (or as bloodlusted as he can be) only knocked out Sonic or that one guy that stole his fry (human level enemies, then again forgot the name)
McQueen would murder himself though.
Meaning the opponent must prevent him biting his tongue or something also.
Hax would also get deflected as even starving would deflect meaning not just physical damage.