A country pub was forced into lockdown after Aussie rapper 360 made an unannounced visit last Friday night.

The hip-hop artist, whose real name is Matthew Colwell, turned up at Romano's Hotel in Wagga unannounced, sending fans on Facebook and Twitter into a spiral.

Earlier in the day 360 tweeted: "One the way to a country town. Picked up these shoes today. I had no idea Louis Vuitton made shoes."

Shortly afterwards his Twitter followers flooded the tweet with guesses of where he would be, including Wagga.

After being spotted at the hotel, Wagga fans let the cat out of the bag on social media, prompting people to make their way to the hotel to catch a glimpse of the ARIA award winner.

But what followed was "disgraceful" behaviour, according to Wagga crime manager Detective Inspector Rod Smith.

Between 12.15am and 2am numerous brawls broke out with police officers having to call in added support to deal with multiple intoxicated people and quarrelsome patrons.

Several fights had to be broken up, patrons were removed from the hotel and one officer was assaulted.

"The conduct of those people involved in this incident at this hotel was absolutely disgraceful," Det Insp Smith said.

"Police and security should not have to deal with so many drunken and obnoxious people.

"The people involved in the incident ought to be ashamed of themselves."

In the end, police had to stop patrons accessing the hotel.

An investigation is now under way into the incident, focusing on the level of intoxication of patrons and other issues in relation to the management of the hotel.

"Hotel staff and security still have to do their job and comply with alcohol service requirements," Det Insp Smith said.

"There were a number of patrons there that night who were well affected by alcohol."

A 21-year-old man was charged with failure to comply with police direction and resist arrest and a 48-year-old man was charged with assaulting a police officer, resist arrest and offensive behaviour.

Five people were issued with infringement notices for remaining in the vicinity after being evicted, four with failing to leave when directed and four for fighting.

A total of 15 people have been prosecuted with fines totalling $5750.