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first; the first thing. (Almost the same as first of all.) He ordered soup first off. First off, we'll find a place to live.
From the start, immediately. For example, He said to wash the car first off, or Why wasn't she told first off? [Colloquial; late 1800s] Also see under first and foremost; first thing.
first offas a first point; first of all. informal, chiefly North American
1991 Globe & Mail (Toronto) First off, I wouldn't worry about the ‘fashionability’ of any particular garment. If you'd like to wear something, then wear it.