We found one dictionary that defines the word keep a knockin:

General (1 matching dictionary)

1. Keep A-Knockin, Keep A Knockin: Wikipedia, the Free Encyclopedia

▸ Words similar to keep a knockin ▸ Usage examples for keep a knockin ▸ Idioms related to keep a knockin ▸ Wikipedia articles (New!) ▸ Words that often appear near keep a knockin ▸ Rhymes of keep a knockin ▸ Invented words related to keep a knockin