The phrase "lady killers" is a slang term used to describe men who are successful with women. However, this phrase can be considered sexist and offensive. Therefore, it's important to understand and use alternative expressions. Some synonyms that convey a similar meaning include "charmers," "heartthrobs," "seducers," "ladies' men," "smooth talkers," "flirtatious," and "romantic." These words can be used to describe a man who is attractive to women or has the ability to charm and seduce them. Whether in a professional or personal setting, using these alternative phrases can be more appropriate and respectful to all individuals involved.