Verb (5-dan, ぐ, intransitive)
1.  to make noise;  to make racket;  to be noisy
2.  to rustle;  to swoosh
3.  to make merry
4.  to clamor;  to clamour;  to make a fuss;  to kick up a fuss
5.  to lose one's cool;  to panic;  to act flustered
6.  to feel tense;  to be uneasy;  to be excited