What is the meaning of idiom take off full blast?

The idiom "take off full blast" is not a common idiom in the English language. It's possible that you're thinking of a similar expression, or it might be a regional or informal expression.

Here are some possible interpretations based on similar phrases:

* "Take off with a bang": This means to start something with great energy, enthusiasm, or success.

* "Full blast": This means at full speed or intensity, without any hesitation.

* "Take off like a rocket": This is a metaphor that means to start quickly and rapidly.

Possible meanings of "take off full blast" could be:

* To start something with great force and intensity. This could be applied to anything from a project to a career to a new relationship.

* To proceed with something at full speed and without delay. This implies a sense of urgency and determination.

If you can provide more context about where you heard the phrase, I might be able to provide a more accurate interpretation.