There are several synonyms for the phrase "get into a tizzy." One of them is "get worked up," which indicates a state of agitation or intense emotional excitement. Another synonym is "get flustered," which suggests a feeling of confusion, disorientation, or embarrassment. "Get in a flap" is another informal way of saying "get into a tizzy," which implies a state of nervousness or anxiety. "Get in a lather" is a reference to a physical state of agitation, such as when someone is sweating profusely. Finally, "get in a frenzy" suggests a state of heightened activity or hyperactivity, as if someone is in a frenzied or panicked state.