Definition of "giddily"

`Little 'un snoozin'!' Jinny remarked, lurching giddily towards her to merrily twirl her fist in the snoozer.

1902, Barbara Baynton, edited by Sally Krimmer and Alan Lawson, Bush Studies (Portable Australian Authors: Barbara Baynton), St Lucia: University of Queensland Press, published 1980, page 78