knocking

About 3.04 uses per million words.

Meaning

1. verb present participle and gerund of knock
2. noun An act in which something is knocked on, or the sound thus produced
3. noun A repetitive ping, knock, or similar sound coming from an engine in which there are repeated uncontrolled explosions in the combustion chamber.

Similar words

hitting pounding beating banging punching striking jab fighting patting cutting

Often followed by

at on the down him out over off about