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Speaking to football magazine FourFourTwo, the 32-year-old Danish striker has opened up on an extremely heated argument he had with the manager who gave him his professional debut and was his boss throughout the player's 10-year spell in north London.
Bendtner claims things came to a head in the summer of 2013, when he wanted to leave Arsenal for another London club.
"We respected each other and had very good meetings - we were honest with each other," Bendtner told FFT. "But at that moment, I wanted to leave Arsenal and Crystal Palace had made a great offer for me.
"The deal fell through because Arsenal couldn't find a replacement."
That led to an awkward exchange. "Wenger phoned and said, 'Sorry, you can't go.' That felt like a massive blow to me, as I'd been waiting all week to leave.
"I called Arsene a w***er and an a***hole so he would have to sell me, but it didn't work."
Yikes. Bendtner may have failed to raise Wenger's fire to the point he was booted out of the club, but he did exit Arsenal the following summer, joining Wolfsburg after his contract expired.
The striker netted 45 goals for the Gunners. However he never quite fulfilled his early promise - despite a seeming abundance of confidence - and is currently playing for Tarnby FF in Denmark's fourth tier.
Bendtner also recently revealed that he paid for an ex-lover's boob job after being blackmailed. So presumably yet another phone call that did not end well for him.
His full interview is available in January's issue of FourFourTwo. We'll be quite interested to discover if calling your boss an "a***hole" on the phone is how you treat someone you respect - how on earth did Bendtner treat people he did not respect?
All imagery: PA Images
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