- an expression of surprise or dismay
C19: alteration of God's truth
Examples from the Web for strewth
When it came nearer there was a shout, "Strewth, it's a Jerry plane."
Cyril heard "Strewth," and "biggest draw you ever, so help me!"Five Children and It
And if yer wants a bit of bread yer awsks for pain, strewth!"Contemptible"
If you bloomin bearers goes cartin me into the way o stoppin another one—strewth, Ill come back an aunt yer.Grapes of wrath