There are several synonyms for the phrase "snaked in," each with their own unique connotations. One such synonym is "slithered in," which implies a sneaky or stealthy entrance. "Crept in" suggests a furtive or secretive approach, while "snuck in" denotes a deliberate attempt to avoid detection. Another option is "wriggled in," which implies a twisting, contorting motion. "Infiltrated" carries a more serious connotation, suggesting an attempt to gain access to a secure location or organization. Regardless of which synonym you choose, each conveys a sense of entering a place or situation in a way that is sly, surreptitious, or potentially unwelcome.