FLORHAM PARK, N.J. — According to Brandon Marshall, the NFL is a better place when players are allowed to ‘shake their tail feathers’ and ‘drop it like it’s hot’ without repercussion.

During a near 15-minute interview with reporters on Wednesday, the Jets’ star wide receiver tackled several topics, including the team’s heightened sense of urgency, the Giants’ handling of Odell Beckham, Jr. . . . and the need for more twerking on the field.

And as Marshall was trying to avoid guaranteeing a Jets’ upset in Pittsburgh this weekend, he unexpectedly made another promise instead.

“I guarantee if I score, I’m twerking in the end zone,” he said, smiling. “That’s what I’m guaranteeing.”

Asked if he knows how to twerk (aka, thrust his butt back and forth repeatedly), Marshall admitted being rhythmically challenged.

“I do not know how to dance. But all I know is just put your hands on your knee and you just thrust your butt like . . . ,” he said, as he awkwardly tried to simulate the popular dance move. “I’ll figure it out by Sunday.”

Moments earlier, he had called out the NFL for essentially being the No Fun League, where players are unnecessarily punished for showing emotion and individuality on the field.

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“This is a media business and it’s the entertainment business and we should do more of that stuff,” he said. “We need to have more Odell Beckham and Josh Norman match-ups, Brandon Marshall . . . and Richard Sherman match-ups. We need that. It’s fun. We talk about we want to grow the business of the NFL, and revenues, we see growth from $10 billion to $20 billion by the end of 2022, then we need more of that. We need guys to come out the box.

“We need Antonio Brown twerking in the end zone. He shouldn’t be fined for that. Guys should go out there and wear colorful cleats. That’s our culture right now. This is this new era, this hip-hop and lifestyle era. We’ve got to embrace that. Can’t just put guys in a box.”

Brown, the Steelers’ star receiver, twerked in the end zone during the Steelers’ Week 1 win over Washington. His spirited touchdown dance, which consisted of three lower-body pumps, earned him a $12,154 fine.

On Sunday, he was flagged for unsportsmanlike conduct for twerking in the end zone against the Chiefs after hauling in a 38-yard pass from Ben Roethlisberger. This time, he made sure to do only two pumps.

According to the NFL’s schedule of fines for 2016, a second violation for “excessive profanity; other unsportsmanlike conduct” results in a $24,309 fine.

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“I just think they need to do a good job of explaining the rules,” Brown said on a conference call Wednesday. “I do a dance one week and they say, ‘Oh, yeah you can do it, but only do two [thrusts].’ I do two and I get fined. So just need some clarity in regards to the rules and ramifications of what I can and cannot do. It’s the NFL, man. We work hard. You’ve got to let guys celebrate success the right way, having fun. It’s hard to score touchdowns. You’ve got to reflect on the passion. lets guys have fun, man. It’s a game.”