int. (sb., a.) [Extended form of LACKADAY.] = LACK-A-DAY, hence as sb. the utterance of the interjection; an instance of this; as adj. = LACKADAISICAL.
1792. Wolcot (P. Pindar), Wks., III. 38. The Swain, in Lack a daisy sort, Held down his head as sorry fort.
1825. R. P. Ward, Tremaine, II. xii. 121. She, with many lack-a-daisies, begged her to come in and dry herself.
1847. Halliwell, Lackadaisy, alack; alas!