Boris Johnson inspecting a RAF Typhoon jet

The video covers various topics including an introduction to foster care, a discussion on Toyota and striking concepts, a first-time experience in a single-seater flight simulator, and insights on quick reactions with a mention of Biggie Smalls.

What can be inferred from the statement 'Biggie smalls, right? One member.'?

What does 'quick reaction' refer to in the context of the conversation?