Glasgow kiss
n.— «One is why the French captain chose the headbutt line of attack commonly known as the Glasgow Nod (or Kiss) instead of simply lashing out with a fist, as you might have expected.» —“Assault and buttery” The Mercury (Durban, South Africa) July 17, 2006. (source: Double-Tongued Dictionary)
Further reading
The word filibuster has a long and colorful history, going back to the days when pirates roamed the high seas. Today it refers to hijacking a piece of legislation. Plus, the language of yoga teachers: When doing a guided meditation, you may hear...
Understanding the varieties of conversational styles can mean the difference between feeling you’re understood and being insulted. “High-involvement” speakers interrupt or talk along with someone else to signal their enthusiasm...