The phrase "clap hands on" implies the act of capturing or obtaining something quickly and decisively. Some antonyms for this phrase may include "to lose grip", "to let go", or "to release". These antonyms suggest a lack of control or surrendering of something previously held. Other antonyms may include "to pass over", "to miss out on", or "to neglect", which suggest a failure to obtain or seize something that was previously available. Overall, antonyms for "clap hands on" indicate a lack of success in obtaining or maintaining control over something.