His colleagues, sitting next to him on the sofa, nod vigorously.
Times, Sunday Times
The male flicks his tongue and may nod vigorously.
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I nodded vigorously, so he nudged it up a bit more.
Times, Sunday Times
Asked whether she planned to join strikes again over winter, she nodded vigorously.
Times, Sunday Times
We pull appropriately long faces and he nods vigorously.
The Times Literary Supplement