The phrase "like falling off a log" is used to describe something that is very easy and requires little effort. There are several synonyms that can be used to convey the same meaning. Some of these synonyms are "a piece of cake," "child's play," "a breeze," "effortless," "simple," "easy-peasy," "a no-brainer," and "cakewalk." These words can be used interchangeably to describe tasks or situations that are incredibly easy to handle. So, the next time you come across a task that is a piece of cake, don't hesitate to use one of these synonyms to describe it.