There's at least a couple of double entendres in your posting.
Without a larger context, it's pretty hard, errr, difficult to say.
"go to the wall for somebody" means to do all one can for them.
As I said, it miiiiiight have been a double entendre,
1 : ambiguity of meaning arising from language that lends itself to more than one interpretation
2 : a word or expression capable of two interpretations with one usually risqué
Can you provide more context, which movie, more of the surrounding dialog?
Student or Learner