The phrase "put the shake on" typically means to cause someone to feel nervous or intimidated. Since this phrase can come across as dated or even unclear to some individuals, it can be useful to explore potential synonyms. Some possible alternatives could include "to rattle," "to unnerve," "to spook," "to unsettle," "to intimidate," or simply "to make nervous." By having a variety of options at their disposal, individuals can better communicate their intended meaning without relying on potentially outdated language. Additionally, using synonyms can help to increase clarity and improve understanding of any given message.