The antonyms for the phrase "chokes back" would be "expresses freely" or "voices openly." These phrases imply that someone is not holding back their emotions or opinions and is sharing them freely. Alternatively, one could use the phrase "holds nothing back," which conveys a similar sentiment. "Chokes back" typically denotes holding back tears or emotions out of fear, shame, or embarrassment, whereas its antonyms suggest a confidence and willingness to speak one's mind. In the end, it's all about communication and sharing openly with others, something that can be difficult to do but is ultimately rewarding.