durn

"You won't be so durn stuck on a gun fight after you've been in one or two," said McHale grimly.

First off, I act like a durn fool, and she has to step in to save me.

Old Huckleberry, but the boys calls me old Huck for short; but durn ther name, call me what yer wants ter, and I'll be thar.

An' I started sayin' grace at table, an' lef' off the on'y cuss-word I ever did use, which was "durn."