"When push comes to ___" (5)

I believe the answer is:
shove
(Other definitions for shove that I've seen before include "Barge" , "Push rudely" , "- - -halfpenny (pub game)" , "Push or propel" , "Jostle" .)
I believe the answer is:
shove
(Other definitions for shove that I've seen before include "Barge" , "Push rudely" , "- - -halfpenny (pub game)" , "Push or propel" , "Jostle" .)