Boots and all Australia New Zealand informal
Doing something with the greatest effort or enthusiasm
He is working on the project boots and all in order to finish it on time.
They set off their journey boots and all.
With extreme enthusiasm, eagerness and excitement
Eagerly, enthusiastically, and on time
To happen strongly or successfully.
The origin of this phrase is not clear.
People tend to like forbidden or illegal things just because they are forbidden or illegal.
He must have believed that stolen fruit is the sweetest, and he, therefore, cheated on his partner.