Simple past tense and past participle of ditto.(verb)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "dittoed" in a sentence
"That was how I began, when I was a kid in high school writing for the dittoed comic fanzines of the early 1960s."
"Do not mimic, repeat, parrot and tender the same messages inspired, created, and dittoed by the Rush Limbaughs and Karl Roves."
"Art critic Jed Perl dittoed those sentiments in The New Republic: "There has never been a more pathological display of institutional least-common-denominator braggadocio.""