There are many synonyms for the phrase "giving comeon" or giving someone an indication that you are interested in them. Some of these synonyms include flirting, making advances, showing interest, making eyes, being suggestive, hinting, teasing, flirting with, making overtures, making signals and making suggestive remarks. Whatever the synonym used, the intent is often the same - to grab the attention of the other person and communicate an interest in them that goes beyond casual friendship. It's important to note that not all synonyms have the same level of intensity or are appropriate in all situations, but they do offer a range of options for individuals trying to express their attraction towards someone.