lulliloo verb1 •To utter a high-pitched oscillating joyous cry such as is traditionally used in Africa and the Middle East.The singing-girls beat their tabrets and lulliloo'd with joy[.] — 1885 formslulliloo'd · lulliloo'ed · lullilooed · lulliloo'ing · lullilooing · lulliloo's · lulliloos