孫まご太た郎ろう虫むしMeaningsNoun1. hellgrammite (larva of dobsonfly species Protohermes grandis) (Colloquial)Kanji used孫grandchild太plump郎young guy虫insectPitch accentまごたろうむしComposed of孫まごgrandchildNoun太た郎ろうfirst sonNoun虫むしinsect; bug; cricket; moth; worm; roundworm; thing inside one's body believed to influence one's thoughts and feelings; (one's) unconscious; nervousness; fretfulness; …Noun