"Dins in to" is an idiomatic expression that means to forcefully enter a place with a loud noise. There are several synonyms that can be used to convey a similar meaning, including burst in, crash in, barge in, storm in, and smash in. These words all suggest a sudden and forceful entrance that disrupts the calmness of a place. Other synonymous phrases could be "break in", "force entry", or "burst open". It's important to note that these words should be used carefully and appropriately to avoid sounding overly dramatic or exaggerated.