"Crikey" is an Australian slang word that expresses surprise, shock or amazement. It is a unique term that adds a fun and energetic element to language. Some popular synonyms for "crikey" are "bloody hell," "blimey," "gosh," "goodness gracious," "jeez," "OMG," and "wow." These expressions convey similar feelings of astonishment and can be used interchangeably. "Crikey" is most closely associated with the Australian culture, particularly with Steve Irwin, the beloved wildlife expert who often used the phrase. Whether you use "crikey" or any of these other synonyms, they all add a touch of excitement and surprise to any conversation.