The phrase "childish comments" refers to comments or remarks that are immature, silly, or not appropriate for the situation.
Sentences with «childish comments»
After a long time I come here to read again so many childish comments. (justarsenal.com)
Let's all go to read the «belief blog» and show how insecure we are about our beliefs by making childish comments towards Christians! (religion.blogs.cnn.com)