Ron Reinold was airlifted to a hospital in Florida's Putnam County in a critical condition after the incident happened on Tuesday.
His neighbours said that he was trying to kiss the rattlesnake when it bit him on the tongue, Action News Jax reported.
Reinold's family said he was doing much better and expected to survive, the report said.
His neighbour Charles Goff found the snake on Monday night and put it in a tank.
A day later Reinold started playing with the snake and made his ill-judged move, the report said.
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Goff said Reinold and another man were being irresponsible by playing with the snake, the report said.
"Ron was just acting silly. I guess he said he could kiss the devil and get away with it, but evidently he didn't," Goff said, adding that the neighbours left the snake after it bit.
"So the snake is still out there running around somewhere," he added.
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