"Old heaveho" is an informal expression used to describe the act of getting rid of something or someone in a forceful or abrupt manner. It can also mean the act of quitting or being fired from a job. Some antonyms for "old heaveho" could be "keep", "retain", "maintain", "preserve", "save", "prolong", "continue", "persist", "endure", "sustain" and "support". These words suggest the act of holding on to something, rather than letting it go. While "old heaveho" has a negative connotation, suggesting a harsh and sudden separation from something or someone, these antonyms suggest a positive and progressive approach towards maintaining and nurturing something or someone.