British Words that Baffle Americans

This week's topic was suggested by TH-cam user Mark Lockwood and it's a subject that has proven rather popular on this blog over the years: British words that baffle Americans.
At 8 minutes long, the video doesn't even scratch the surface of all the many colloquialisms, slang words, and general Britishisms that leave Americans scratching their noggins.
All music included in the video composed by Laurence M. Brown: / laurence-m-brown