in the mood
1. Interested in something I don't know why, but I'm really in the mood for ice cream today.
2. Wanting to do something. Dad's just not in the mood to go out to dinner tonight.
in the mood (for something)
and in the mood (to do something)having the proper state of mind for a particular situation or for doing something. I'm not in the mood to see a movie tonight. Are you in the mood for pizza?
in the mood
Disposed or inclined toward something, as in I'm in the mood for a good long walk. This phrase is also put in the negative, I'm not in the mood to argue. [Late 1500s]