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Definition of 'Flat Tack'

Flat Tack

Adjective

As fast as possible, top speed.

Example of ‘Flat Tack’

I was going flat tack when I came off the luge track and disappeared into the ravine.

Related Slang


2 Comments

  • Reply GregP |

    “Tack” also means level. A tack-rag is soaked with solvent, and is used to to level-out a rough surface on a varnished or lacquered surface on wood.

  • Reply Stafford Moon |

    Hammer strikes tack flat = foot depresses accelerator pedal to the floor !

So, what do you think ?