doing something very well; near perfection. —Freedom Congress Glossary (approved 5-9-90)
GROOVE, IN THE
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doing something very well; near perfection. You needn't do it anymore. I mean, I got it. I'm in the groove. - Third Dynamic and Communication-High School IndocDemo (6 July 1957)doing something very well; near perfection.into a routine of work, habit, etc.(slang) in good form; working smoothly and well.