(CNN) Fresh off his New Hampshire win, Donald Trump said that he would be releasing his tax returns in the coming months, but it is taking longer because they are the "biggest ever in the history of what we are doing."

The real-estate mogul predicted that people would be surprised by the low rate he pays.

"I fight like hell not to pay (taxes)," Trump said in an interview with NBC's Matt Lauer and Savannah Guthrie. "I hate the way the government spends my money."

The businessman also insisted the vulgar vernacular he repeated at a campaign rally to describe GOP rival Sen. Ted Cruz, "wasn't the worst thing in the world."

Trump says that they were just "having a good time."

Read More