[Of obscure origin.] intr. To weep or cry; to fret.

1

1847–.  in dial. glossaries (Hants, I. Wight).

2

1861.  G. Meredith, Evan Harrington, xxi. You are crying!… And you show the marks twice as long as any other, you fair women. Squinnying like this!

3

1885.  Runciman, Skippers & Sh., 245. Who’d have thought of seeing us two squinnying? Blowed if I didn’t cry harder than you.

4