Fagged out

I was fagged out, and for the first time in years felt a question as to my ability to cope with an antagonist; […]

I busied myself looking for a likely place, began to scrape together some heather and juniper twigs and made a bed on a small slope where it was fairly dry, opened my parcel and took out the blanket. I was tired and fagged out from the long walk and went to bed at once. I tossed and turned many times before I finally got settled.