retro defiance
n. Hostility towards current ideas about healthy living, which includes a return to allegedly non-healthy activities such as smoking cigars, drinking martinis, and eating steak.

Example Citation:
"Many people are tired of the constant yammering by the 'health Nazis' and are fighting back with a sort of 'retro defiance,' which explains why red meat consumption is on the rise once again, why cigar bars and martini bars are more popular than ever, and why the anti-diet movement is getting some press."

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