winter vomiting bug
noun /ˌwɪntə ˈvɒmɪtɪŋ bʌɡ/
/ˌwɪntər ˈvɑːmɪtɪŋ bʌɡ/
(also winter vomiting virus [countable])
(both British English) (also norovirus [uncountable, singular] British and North American English)
- a disease, caused by a virus, that makes people vomit and have diarrhoea very badly for a few days