'Deadliest Catch' Star Rubber Jungle Fever With Big, Black Sex Doll

EXCLUSIVE
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It's your typical love story ...

Man walks into a bar ...

Man orders a beer ...

Man has simulated sex with a big, black inflatable woman ...

And it all happened to "Deadliest Catch" star Scott Campbell, Jr. -- who hit up a bowling alley in Kodiak, Alaska a few weeks ago when a bachelor party rolled in ... sex doll in tow.

So ... naturally ... Scott pretended to have sex with it.

We're told everyone had a blast -- including the doll.

(We hear she's kind of a whore)