The song 'If You Want Blood (You've Got It)' by AC/DC portrays a raw and intense depiction of the harsh realities of life, likening it to a brutal and unforgiving world where one must fight to survive. The lyrics use vivid imagery of blood to symbolize the struggles, sacrifices, and battles faced in life, emphasizing the idea that if one desires success or victory, they must be willing to endure pain and hardship.