Examples from the Web for ow
Landlidey said as 'ow a strange gent came, buried 'im an' took 'is hinsurance pipers awye with 'im.
I'll tell the p'lice as 'ow you set your great savage dog on us.The Carroll Girls|Mabel Quiller-Couch
Then I thought we might lose 'im and I would 'ave a little chat with the gal, and show 'er 'ow foolish she was.Easy Money|W.W. Jacobs
Did you ever 'ear 'ow a big moray 'ad a fight with two men, one of 'em a fisherman from New York, and jolly well beat 'em both?The Boy With the U. S. Fisheries|Francis Rolt-Wheeler
Sometimes I think, though, as 'ow all men get the feelin' in spells.
14c. as an exclamation of surprise; 1919 as an expression of sudden pain.