good deed for the day

Good deed for the day is an idiom which is often spoken about the fact that you do at least one good thing each day such as helping others or doing selfless acts. After doing something selfless or helpful for someone else, people will typically refer to it as their good deed for the day. When using this figure of speech, it is usually something someone did for someone else as an unintentional way to have their good deed of the day complete.