Graham Platner, a Marine vet who’s running for a US Senate seat in Maine, said he was “very inebriated” when he got a tattoo linked to Nazism while on leave in Croatia nearly 20 years ago and insists he’s “not a secret Nazi.”

The liberal candidate, 41, went out of his way to disclose the controversial skull tattoo on the right side of his chest as he shared an embarrassing video that shows him singing in only briefs at a wedding celebration for his brother.

The Democratic oyster farmer, in an apparent attempt to get ahead of bad press, said he was on leave with fellow Marines in Croatia in 2007 when he got the questionable ink, which appears to resemble the “Totenkopf” — an image adopted as a symbol by Hitler’s Schutzstaffel , or SS.

“We got very inebriated, and we did what Marines on

See Full Page