a) To depart quickly or exit abruptly, especially in a manner which does not attract notice and before a meeting, event, etc. has concluded.
Wile they was still talking along these lines, the orchestra begin to drool a Perfect Day, so I ducked out on the porch for air.
b) To depart quickly or exit abruptly by way of, especially in a manner which does not attract notice and before a meeting, event, etc. has concluded.
Fearful of missing a roll-call, Representative Charles E. Bennett has ducked out of funerals, bolted from hospital beds and defied snowstorms to get to the House chamber.
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