Expressions used in Everyday Spoken English in Social and Professional contexts
If something 'goes down well' it suggests that it was met by approval or that others reacted to it in a positive way. A speech or talk can 'go down well' if it was a success and even a meal can 'go down well'. If something 'doesn't go down well', it is met with disapproval or a negative reaction from others. This is an informal expression.