ぐらぐら
JD1
(of the way something moves) unsteadily / (of the way something moves) in a rickety manner / (of the way something moves) in a tottering manner / (of the way something moves) in a unsteady manner / (of the way something moves) in a unstable manner / (of the way something moves) in a loose manner / (of the way something moves) totteringly / (of the way something moves) loosely / (of the way something moves) in a shaky manner