"Get the glad eye" is an idiom that refers to someone showing interest or attraction towards another person. There are various synonyms that can be used in place of this phrase, depending on the context and tone of the conversation. For example, one could say "get hit on" or "get flirted with" to convey a similar meaning. Other options include "get the eye", "get the once-over", "get checked out", and "get the come-on." It's important to note that some of these phrases may have different connotations or levels of intensity, so it's important to choose the appropriate synonym based on the situation at hand.