Simple past tense and past participle of mash.(verb)
Rather drunk(adjective)
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Use "mashed" in a sentence
"Freeter is the Japanese word mashed-up from freelance and arbeiter, which is from Arbeit, the German for part time work."
"Some of these broadcasts I must draft while I'm out on the road traveling on what I call the mashed-potato circuit."
"Downtown skyscrapers grow like knotweed, their universally rectilinear mirrored forms reflecting each other in mashed-potato parodies, but the people are elsewhere."