bow and scrape

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• verb 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.
• verb idiomatic, by extension To behave in a servile, obsequious, or excessively polite manner.
• noun A deep formal bow with right leg drawn back touching the ground.