Question

have a bone to pick with someone = have a bone to gnaw with someone

Accepted Answer

have reason to disagree or to be annoyed with someone – informal

A bone to pick (or gnaw) has been a metaphor for a problem or difficulty to be thought over since the mid 16th century. have reason to disagree or to be annoyed with someone – inf

Word	have a bone to pick with someone = have a bone to gnaw with someone
Description	have reason to disagree or to be annoyed with someone – informal A bone to pick (or gnaw) has been a metaphor for a problem or difficulty to be thought over since the mid 16th century. have reason to disagree or to be annoyed with someone – inf

Bone Pick Reason Disagree Annoyed Gnaw Informal Metaphor