How To Use Sandboy In A Sentence

I was happy as a sandboy — beautiful wife, beautiful children, house, secure job, good social life — then, wham, the wife hits me between the eyes with the muscled actor from next door who's been shafting her for months. Disordered Minds
I mean, Dad is already tied up and --- ' `Happy as a sandboy ,' Dilys agreed. TICKLED PINK
A couple of kids in a few years and she'll be happy as a sandboy. Two women
These ‘sandboys’ were paid partly in ale, and were usually half-cut or merry: hence ‘happy’.
These ‘sandboys’ were paid partly in ale, and were usually half-cut or merry: hence ‘happy’.

He is jolly as a sandboy, he is happier than a king, Punch, or the London Charivari, Volume 152, April 4, 1917
Perhaps we should ignore Iain and file the word chav with the likes of sandboy, gyp, toerag as common words of possibly rather offensive origins. Dale's Academy of Political Correction: Ban Word 'Toff'
Forty — he supposed — with three children and fourteen hundred things to attend to every day; shingled, and cheerful as a sandboy. Swan Song
‘Of course I am; — as jolly as a sandboy,’ he said. The Last Chronicle of Barset
They were so bitter about Britain and all her works that I gathered they were getting pretty panicky, and that made me as jolly as a sandboy. Greenmantle
He was in precisely the same position, only worse, because married; and yet she felt as blithe as a ‘sandboy.’ Maid in Waiting
Well, and Vera said, 'Here's Luce lying tucked up as jolly as a sandboy, why shouldn't we be jolly too?' A Sheaf of Corn
But he must have thought a lot in the night time, for in the morning he had got himself in hand and was as cheerful as a sandboy. Mr. Standfast
He came back with the report that he's all smiles and happy as a sandboy. DEATH SPEAKS SOFTLY