Since his arrival in the UK just over two years ago, Ange Postecoglou has become renowned for calling people 'mate'.

Whether it be in press conferences, one-on-one interviews, or speaking to pundits, the Australian always manages to slip in the word when publicly speaking.

But as former Celtic striker Chris Sutton has pointed out, despite its affectionate connotations, Postecoglou does not always use it in an endearing manner.

Sutton of course closely observed Postecoglou during his time at Celtic over the previous two seasons, where he won five out of six trophies.

Speaking on BBC's Monday Night Club with Mark Chapman, Rory Smith and Glenn Murray, the ex-Hoops star did his level best to explain.

When addressing the 57-year-old and the excellent start to the season he's enjoyed at Tottenham, Smith mentioned his tendency to say 'mate'.

Sutton said: "That depends on the way he says, mate. Even so, there were times in Scotland when he used the word mate and clearly, that wasn't in a friendly manner."

Chapman came in: "Chris give us examples of the different ways you could say mate in an Australian accent."

Sutton: "All I would say is, he is a guy who is switched on and I'm just sort of marking your card. Rory, if you are ever in a press conference, you wouldn't like to get on the wrong side of him. That's when you'll hear the other side of mate."

Asked how he would say the word in an aggressive manner, Sutton replied: "He'll just go with a harder mate."

Sutton then gave his best impressions of Ange's 'harder' mate, and then his softer delivery of mate in a hilarious end to the segment.

READ MORE: Celtic have Mathias Kvistgaarden transfer offer 'rejected'

Meanwhile, Celtic have had a bid for Mathias Kvistgaarden rejected, according to a report.

Danish media outlet BT claims Brondby has knocked back £4m from the Scottish champions for the talented youngster.

The report states that MLS side Houston Dynamo had also submitted a rival bid, but this too has been rejected.

It states: "Last week, Celtic offered DKK 35 million for Mathias Kvistgaarden, but Brøndby promptly rejected it.

"The Scottish champions even wanted to pay even more, but got the cold shoulder.

"The Houston Dynamo have also bid and been turned down."