plank down

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

:  to declare oneself forcibly or unmistakably planked squarely down on the side of the government — Mollie Panter-Downes