咕隆 gūlōng rumble Definitions Defs Origin Strokes Stroke Words Sentences Sents 咕 gū phonetic [sound of birds or stomach] (onomatopoeia) Mimics the clucking of a hen, the cooing of a pigeon, or the rumbling of an empty stomach; often used in doubled form as 咕咕 gūgū隆 lōng phonetic [onomatopoeia] (bound form) sound of drums or rumbling; used in words like 轰隆 hōnglōng and 咕隆 gūlōng