"Flash around" is a colloquial English phrase that means to share information or news widely and quickly. There are several synonyms for this term that can be used interchangeably, depending on the context. "Spread the word" is a common synonym for "flash around" that suggests sharing information with a broad audience. Other examples include "circulate," "disseminate," and "propagate," each implying the rapid and extensive sharing of information. "Broadcast," "announce," and "publicize" are additional synonyms that emphasize the public and media-driven aspects of disseminating information. Overall, using synonyms for "flash around" can add variety and nuance to communication, and enhance clarity and effectiveness when sharing information.