green about the gills
Ill or unwell, especially as indicated by one's appearanceIll or unwell, especially as indicated by one's appearance.
Meaning
1 senses(idiomatic)Ill or unwell, especially as indicated by one's appearance.
Dictionary text adapted from Wiktionary (Wiktionary contributors, CC BY-SA 4.0) and Open English WordNet / Princeton WordNet (CC BY 4.0, WordNet License); shared under CC BY-SA 4.0. Example sentences and recordings are credited where they appear.