The phrase "blows one's mind" refers to something that is so amazing and impressive that it is difficult to comprehend or process. However, antonyms of this phrase could be used to describe less impressive situations or things that are underwhelming. Some antonyms of "blows one's mind" include mundane, ordinary, unexceptional, boring, unimpressive, and uninspiring. These words may be used to describe experiences or things that fail to excite or stimulate the mind in any way. While "blows one's mind" is often associated with remarkable experiences, its antonyms are useful for describing the opposite.