And after asking the question on our Facebook page, ‘cha’ is just one of many phrases you think only the proudest of Prestonians will understand.
We’ve rounded up some of the best below.
Think you’re a true Prestonian? Check out this: You're not really from Preston if you haven't done most of these 21 things...
1. Cha
The ultimate Prestonian phrase, essentially meaning mate. ‘Alreet cha’ being a common greeting in and around the city. Photo: Submit
2. Nowt and owt
The former is an abbreviation of nothing. As in, ‘Much happening? Nowt pal.” And of course if you have ‘nowt’, you’ve got to have ‘owt’, meaning anything. ‘Owt for lunch?’ Photo: Neil Cross
3. Once every Preston Guild
Something that doesn’t happen very often. True Prestonians will know the phrase literally means once every 20 years. Photo: David Hurst
4. Butter pie
Preston’s finest delicacy. Onions and potatoes, not just butter, that would be daft. Photo: Submit