1. flat out - Noun
2. flat out - Adjective
3. flat out - Verb
4. flat out - Adverb
in a blunt direct manner
at top speed
Source: WordNetflat-out
I will drive flat out all the time ... I love racing. Gilles Villeneuve
I will work flat out from now on to earn your trust and to dispel some of the myths that have been created about me. Boris Johnson
And as for those who voted for me, I know there will be many whose pencils hovered for an instant before putting an X in my box and I will work flat out to repay and to justify your confidence. Boris Johnson
General reader feedback is usually pretty worthless. 99% of people give feedback that is irrelevant, stupid, or just flat out wrong. But that 1% of people who give good feedback are invaluable. Tucker Max
I hate flying, flat out hate its guts. William Shatner
My motto is to do everything absolutely flat out and to the best of your ability. Allan McNish