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general::
Phrase(s): (I’m) (just) plugging along.
Inf. I am doing satisfactorily.; I am just managing to function. • Bill: How are things going? Bob: I’m just plugging along. • Sue: How are you doing, Fred? Fred: Just plugging along, thanks. And you? Sue: About the same.
McGrawhill's American Idioms And Phrasal Verbs