Definition of "dass"

We all looked at one 'nother, 'n' I thought for a second somebody 'd laugh, but nobody dassed, 'n' there warn'ta sound in the room 's Aunt Beccy sot down agin' without movin' a muscle in her face.

1890, Kate Douglas Wiggin, Timothy's Quest, page 58

Gim scrached a line in the dirt and told Will not to dass to step over it and then Will put a chip on his sholeder and told Gim not to dass to nock it off

1904, Henry A. Shute, Sequil Or Things Whitch Aint Finished in the First, page 8

"Ay, an' lost me th' ship, 'cause I'd never dassed take her wi' only twenty barrel o' bait, 'f I'd knowed th' new law. I hain't got much money, Mr. Burberry, an' there's the missils an' kiddies to house an' dress an' feed.

1907, Lawrence Mott, To the credit of the sea, page 72

You weren't smart to refuse; you could have had a peep inside the General's house, maybe, and I don't believe she'd dassed said a word about birds on hats, with one of the company wearing 'em!

1907, Mabel Osgood Wright, Gray lady and the birds: stories of the bird year for home and school, page 41

"If anyone dasses to risk my fist, it's Boff! and it's Wham! Understand?"

1933, Sammy Lerner, theme from, Popeye the Sailor: