all the way
as much as possible or completely:
If you want to take it up with the boss, I'll support you all the way.

[TahlilGaran] Advanced Learner's Dictionary ▲

all the way
if you support something or fight against something all the way, you support it or fight it as much as possible and as long as it continues.
If you want to complain to the boss, I'll support you all the way.

If they go ahead with the plan, we'll fight them all the way.

[TahlilGaran] English Idioms Dictionary ▲

all the way
adv. phr.
1. From start to finish during the whole distance or time.
Jack climbed all the way to the top of the tree.
Joe has played the whole way in the football game and it's almost over.
2. In complete agreement; with complete willingness to satisfy.
■ Often used in the phrase "go all the way with".
I go all the way with what George says about Bill.
Mary said she was willing to kiss Bill, but that did not mean she was willing to go all the way with him.
The bank was willing to lend Mr. Jones money to enlarge his factory but it wasn 't willing to go all the way with his plans to build another in the next town.
Compare: ALL OUT, GO THE WHOLE HOG.

[TahlilGaran] English Idioms Dictionary ▲