Green’s Dictionary of Slang

ski-bunk n.

(US) a rejection; an act of dismissal.

1906

‘O. Henry’ ‘By Courier’ in Four Million (1915) 237: De gent says he’s had de ski-bunk put on him widout no cause.

In phrases

put the skibunk on (v.) [var. on put the kibosh on under kibosh n.]

(US) to impose upon, to defraud.

1908

‘O. Henry’ ‘A Tempered Wind’ in Gentle Grafter (1915) 164: No man [...] need be ashamed of putting the skibunk on a loan corporation for even so small a sum as ten dollars.