strewth

If you bloomin bearers goes cartin me into the way o stoppin another one—strewth, Ill come back an aunt yer.

When it came nearer there was a shout, "Strewth, it's a Jerry plane."

And if yer wants a bit of bread yer awsks for pain, strewth!

Cyril heard "Strewth," and "biggest draw you ever, so help me!"