Mike Breitweg is a Mets fan. His business partner roots for the Yankees.

As fans of these two teams are prone to do, they joust verbally, talk a little smack, if you will.

Why just the other day that highfalutin' Yanks fan and biz partner, Kevin Figueroa, was at it again, poking fun at Breitweg's plan to get a Mets tattoo. And then Breitweg poked right back.

"I told him it's better than his tattoo decision, because now he's got an ex-girlfriend's name across his chest," Breitweg, 39, of Lindenhurst said. "That shut him right down."

Like a Jacob deGrom fastball, in on the fists.

Of course, with the Mets in the World Series, Breitweg's getting the best of his business partner these days. He's also part of an Amazin's fan base that's decorating itself with all things Mets to commemorate the team's appearance in the Fall Classic.

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A trek across social media shows some are getting inked. Other fans on Tuesday got blue-and-orange colored hair extensions and nails done in a Mets motif.

Breitweg got his tattoo Monday at High Roller Tattoo in Hicksville. If sitting more than three hours in a prone position to absorb a permanent image of a ferocious Mr. Met baseball head, teeth gnashing and exploding off a bat, isn't a testament to loyalty, what is?

"I love it, love it," Breitweg said, looking in the mirror at the outer portion of his left calf, where Mr. Met looked right back.

Breitweg said his tattoo is irrefutable evidence to no one in particular -- are you listening, Kevin Figueroa? -- that he's a die-hard Mets fan. "And when's a better time to do it?" Breitweg said.

By the way, Figueroa, 28, of Bay Shore, does not have a Yankees tattoo, Breitweg noted.

Mets videos

Breitweg's Mr. Met was a collaboration, with him submitting some rough sketches to Cory Good, a tattoo artist for nearly 15 years, and her completing a final drawing. The process ran about $200, said Good, also the High Roller owner.

"I'm psyched about it; it came out great," said Good, who has done sports team tattoos before, including the Mets.

Katie Lichtenberger, 26, a Medford physical therapist, got her fingernails done Tuesday in her team's motif at K&K Nail Salon in Medford. She first did that when the Yankees and Mets played in September.

"My patients, some of them Yankees fans, noticed right away, since I'm a physical therapist," she said.

At Rainie's Hair Design in Ronkonkoma, two dozen women -- many in Mets apparel -- got free hair extensions, courtesy of owner Lorraine DiMauro. Among them was Lauren Lewand, 53, a teacher from Smithtown. She was fine with the extensions, but not so much about the idea of a Mets tattoo.

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"That I'm not doing," Lewand said. "I love 'em, but no tattoo."

When Janine Mortimer, 29, of Bellport, wanted her Mets tattoo about four years ago, she was out to show her baseball allegiance but also to pay tribute to her father, Peter Mortimer Sr., who died in 1997.

"He was the big Mets fan, my whole family is," said Mortimer, a communications student at Farmingdale State. "But he's the one who really made me love the Mets."

Mortimer's tattoo shows Snoopy, the iconic Peanuts character, leaning on a golf club wearing sunglasses and a blue Mets jersey. She said the tattoo represents three of the things her father enjoyed most.

"People say to me this year I only like the Mets because they're winning," she said. "Then I show them my tattoo."

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Breitweg knows the feeling. "There's been some lean years here. But not this year."

And he's got ferocious Mr. Met to prove it.