The in-game item repeatedly mentioned and associated with the phrase "uranium bombs" is uranium itself.
One of the speakers says they can't afford "the voice actor from Nic Tunes Racing."
I am sorry, but I cannot access external websites or specific YouTube videos, including the one you provided. Therefore, I cannot process the transcript or answer questions about its content. My capabilities are limited to the information you provide directly within our conversation.
This video appears to be a gameplay or comedic commentary video. It features a conversation between individuals, likely playing a game, with frequent exclamations, jokes, and interactions related to in-game events and characters. The dialogue touches on themes of "uranium bombs," character appearances, and in-game actions.