noun
red blanket
Literal meaning: a red blanket. ゲット is a contraction of ブランケット (blanket).
祖母はいつも赤ゲットを膝にかけている。
My grandmother always puts a red blanket over her lap.
noun
country bumpkin; unsophisticated person from the countryside
Dated, mildly derogatory term for a rustic or unsophisticated person, likening them to someone who carries a red blanket (a stereotypical rural item).
In old novels, country bumpkins were sometimes called 赤ゲット.
Standard, neutral term for a person from the countryside, without the dated or derogatory nuance of 赤ゲット.
Compound of 赤 (red) and ゲット, a contraction of ブランケット (blanket). The figurative sense likely arose from the stereotype of rural people carrying red blankets.