{v. phr.} To make an extra effort; do more than usual. * /Jane went out of her way to be nice to the new girl./ * /Don did not like Charles, and he went out of his way to say bad things about Charles./ Compare: BEND OVER BACKWARD, KNOCK ONESELF OUT.
GO OUT OF ONE'S WAY
Meaning of GO OUT OF ONE'S WAY in English
Slang English vocab. Английский сленговый словарь. 2012