Thet gurl's not only white—she's got money, scads ov it, and is a good looker.
She'll ne'er backward linger, this land of our dads, for she is a dinger at nailing the scads.
Now, scads are of small value, and yet Dick got them all, and Hugh all the mackerel.
Of course we always got scads of these too, but this was a very normal thing.
Oh, heaps of them—scores—dead oodles and scads of 'em, as we girls say.
Promoters grovel at his feet, and offer heaps of scads, if he will condescend to meet some other bruising lads.
You'll find a buckskin purse, with some scads in it, in the bag.
One day they were out and caught six mackerel and six scads.
He jist shoved them scads what hed been given him careless-like down inter his coat pocket, an' faced Mister Manager.
"large amounts," 1869, American English, earlier "dollar" (1855, usually in plural), of uncertain origin. Unknown connection to scad, the fish, which were "often very abundant and occasionally seen in enormous shoals":
In July, 1834, as Mr. Yarrell informs us, most extraordinary shoals passed up the channel along the coast of Glamorganshire; their passage occupied a week, and they were evidently in pursuit of the fry of the herring. The water appeared one dark mass of fish, and they were caught by cart-loads, and might even be baled out of the water by the hands alone. ["British Fish and Fisheries," 1849]
c.1600, Cornish name for a type of fish (also known as horse mackerel) abundant on the British coast; of uncertain origin, perhaps a variant of shad. OED compares Welsh ysgaden "herrings," Norwegian dialectal skad, Swedish skädde "flounder."