When it comes to expressing excitement, enthusiasm, or energy, the phrase 'cranked up' can be replaced with various synonyms. For instance, 'amped up' can be used to indicate an increased level of excitement or energy. Similarly, 'fired up' can refer to excitement or motivation, while 'revved up' can imply eagerness or anticipation. On the other hand, 'pumped up' can describe a sense of invigoration or heightened energy. If one wants to express a sense of heightened aggression or intensity, then 'jacked up' might be appropriate. In summary, there are many synonyms for the phrase 'cranked up,' each with its own unique connotation.