Mark Cuban says he got straight lied to by DeAndre Jordan -- claiming the NBA star insisted he was "on a date" Wednesday night ... when he was really in a secret meeting with the Clippers.
Cuban just went to CyberDust -- and admitted he did swing by Jordan's Houston house when he started to become suspicious that DeAndre was having second thoughts about joining the Mavs.
"There was no one home. So I texted him saying that I was there. I know something is up. Let's talk. He texted me that he was on a date."
"I told him to have fun. I wasn't in a rush, that I was happy to come by there and say hi or if he wanted to make the date fun, take them to Dallas for a night out."
"He didn't respond."
Of course, there was no date -- only Chris Paul, Blake Griffin and others ... who convinced Jordan to blow off his verbal deal with the Mavs and resign with the Clippers.
Cuban was clearly frustrated -- but says he's moving on.
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