with knobs on
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with (brass) knobs on
In a much more extreme form. I've been to both, and I can tell you that Carnival is like Mardi Gras with knobs on. Your report is like my report with brass knobs on—it's 30 pages longer!
with knobs (or brass knobs) onand something more. British informal
1998 Pi Magazine But all this would count for zilch if the music didn't stand the test of time. But it does, with knobs on.