dial. [f. as prec.] trans. To dash a quantity of liquid; to dash (a thing) broadly with liquid. intr. To plash, to splash heavily in, work in, water.

1

1788.  Picken, To Cowslip, Poems 91 (Jam.). Whan … blashan rains, or cranreughs fa’.

2

1861.  Fam. Herald, 16 Feb., 672. ‘How much water does your mistress … put in our … milk?’ ‘I’m sure,’ replied the rogue, ‘I don’t know … she just blashes it in.’

3

1864.  Atkinson, Whitby Gloss., Blash, to splash with water. Also in sense of going or having gone to sea. ‘What he has got, he has blash’d for,’ as property obtained by a seafaring life.

4