gecker noun 1verb 1forms 3 noun1 •The series of stuttering throaty vocalizations (usually described as: chattering, chittering, cackling, squeaking, or yakking) in the manner of some primates, jackals, mongooses, and foxes. verb1 •To make a series of stuttering throaty vocalizations (usually described as: chattering, chittering, cackling, squeaking, or yakking) in the manner of some primates, jackals, mongooses, and foxes. formsgeckered · geckering · geckers