first off

first off

1. A phrase used to introduce the first topic one wants to address. I do want to hear about your day, but first off, let me tell you what the wedding planner had to say. First off at today's assembly, we have our sixth grade spelling bee.
2. At once; in the beginning. You should have told your new employer about this conflict of interest first off.
See also: first, off
Farlex Dictionary of Idioms.

first off

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.
See also: first, off
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

first off

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.
See also: first, off
The American Heritage® Dictionary of Idioms by Christine Ammer.

first off

as 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.
See also: first, off
Farlex Partner Idioms Dictionary

first ˈoff/ˈup

(informal) before anything else; to begin with: First off, we will choose the teams, then we can start the game.
See also: first, off, up
Farlex Partner Idioms Dictionary
See also:
  • first off/up
  • first of all
  • first up
  • have (the) first crack at (something)
  • first crack at
  • for a start
  • first in, best dressed
  • be first out of the box
  • hindside first
  • first refusal