The term "bad eying" refers to the act of looking at someone with disapproval or disdain. Some synonyms for this phrase include glaring, scowling, staring, or giving a dirty look. Other similar words could also include frowning, grimacing, sneering, or giving someone the evil eye. While these terms all convey negative judgment or resentment towards another person, they may differ slightly in intensity or context. Ultimately, the use of any of these synonyms indicates that the person being looked at is perceived in a negative light, whether due to their actions, appearance, or overall demeanor.