swagのようなどんな単語でも探してください。
 
1.
In a situation where a set of two consecutive doorways are present (usually in the entrance of a building): Person A holds the first door open for Person B, then Person B holds the next door open for Person A.
"Sorry I lost you back there, I played a game of Gentleman's Leapfrog with the man behind us."
DPDoughによって 2011年11月18日(金)