Definition of sandboy
1
: a peddler of sand at a seashore resort
—used chiefly in the phrase happy as a sandboy
2
: any of various hopping insects (as a sand flea) found on sandy beaches
3 a
: one who sprinkles sand on bricks to prevent their sticking together in the kiln
b
: an operator of a machine for separating floor tiles from the sand that held them in the saggers
