1.
If you say that you are ~ to go, you mean that you are very eager to start doing something.
After a good night’s sleep, Paul said he was ~ to go.
PHRASE: V inflects
2.
If you are ~ to do something or are ~ for it, you are very eager to do it or very eager that it should happen.
He is ~ to charge into the fray and lay down the law...
Baker suggested the administration wasn’t ~ for a fight.
ADJ: v-link ADJ, ADJ to-inf, ADJ for n