piping hot
/ˌpʌɪpɪŋ ˈhɒt
/adjective
(Of food or water) very hot: [as adjective]: the crust was piping hot [as adverb]: it is served warm, not piping hot...
- These rested on a thick bed of piping hot apple sauce.
- Next stop was Laragh where piping hot soup and sandwiches and tea awaited the fifty visitors.
- Each evening, when William came home from the pit, the tin bath would be ready for him filled with piping hot water.
Origin
Piping, because of the whistling sound made by very hot liquid or food.