Slaps on is a phrasal verb that means to apply something quickly and carelessly. Some antonyms for this phrasal verb are: remove gently, peel off, take off carefully, detach slowly, delicately remove, slowly detach, gingerly peel, and carefully remove. These antonyms convey a sense of caution and care, as opposed to the fast and hasty action implied by slaps on. When using antonyms for slaps on, it is important to remember that the action being performed should be done with intention and patience, ensuring the best outcome possible. Antonyms for slaps on can be used in a variety of contexts, from beauty routines to DIY projects.