Antonyms for the phrase "knocked one's socks off" can vary greatly depending on the context in which it is used. In general, antonyms could be any phrase or word that implies disappointment, dissatisfaction, boredom, or lack of interest. Some possible antonyms could be "underwhelmed," "unimpressed," "bored stiff," or "not interested." For example, if someone said, "The movie really knocked my socks off," the antonym might be, "I was underwhelmed by the movie." Similarly, if someone said, "The performance was amazing, it really knocked my socks off," the antonym could be, "I was bored stiff during the performance.
