How to use "stiff" in a sentence

Some of them looked a little stiff and strange, maybe; but most of them seemed perfectly normal

"The only thing new about me is that I wasn't scared stiff this morning, and now I am."

During their periodic breaks from the gaming tables, nursing stiff necks and sore shoulders and leaden arms, the weary dealers retired to a combination lounge and locker room at the bottom - and to the right - of the escalator

His fingers were stiff from the cold