Mark is told to lean against a post, check his watch, look around with a dirty look, and then walk away when a police officer gestures at him. He correctly guesses 'loiterer,' a word he knows from a Brian Regan bit.

Impact: Medium. This successful guess demonstrates how prior knowledge and specific scenarios can aid in deciphering charades. Mark's ability to connect the actions to the concept of loitering, informed by his external knowledge, highlights the game's reliance on shared understanding.

In the source video, this keypoint occurs from 00:42:32 to 00:44:00.

Sources in support: Bob (Host)