verb
Etymology: plank (II)
transitive verb
1. : to set down forcibly or with emphasis
was herded into a corner and planked down among five other sufferers — Thomas Wood †1950
delighted to slam us all in jail and plank down martial law — Laura Krey
2. : to pay or put down (money) on the spot
pulled out a silver dollar and planked it down for a year's subscription — A.W.Long
planked down a fistful of money — Irish Digest
intransitive verb
: to declare oneself forcibly or unmistakably
planked squarely down on the side of the government — Mollie Panter-Downes