bow and scrape

Short definition from Wiktionary

Verb

1. 1
   To make a deep bow with the right leg drawn back (thus scraping the floor), left hand pressed across the abdomen, right arm held aside.
2. 2
   To behave in a servile, obsequious, or excessively polite manner.

Noun

1. 1
   A deep formal bow with right leg drawn back touching the ground.