ぐるぐる

Etymology
This term guruguru could be analyzed as a reduplication of, or as a shift from. Japanese adverbs with voiced initial consonants usually refer to softer, heavier, or slower action than counterparts with unvoiced initial consonants.

Adverb

 * 1)  turning round and round; whirling; spinning

Usage notes
May be found with or without adverbial particle, sometimes with gemination for emphasis, such as.