phrasal
slang Britain
1. : up to par
didn't feel up to the knocker
2. : up to the fullest or best possible extent or degree
was prepared up to the knocker
phrasal
slang Britain
1. : up to par
didn't feel up to the knocker
2. : up to the fullest or best possible extent or degree
was prepared up to the knocker
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012