Blood donation is an altruistic medical act: donors lie on a bed, a technician inserts a needle, and blood is collected in a bag for later use. The process is non-invasive, typically involving a pint or so of blood, and is done repeatedly by millions annually. The experience is routine, sometimes slightly uncomfortable, generally brief. Donors are given juice and cookies afterward as compensation and recovery assistance.

Then this fact asserts that when Chuck Norris goes to donate blood, he declines the needle in favor of a handgun and a bucket. The implication is that his blood pressure is so high or his blood so unusual that normal collection methods are insufficient. He doesn't need needles; he just shoots and lets gravity handle the rest. The bucket is his collection vessel—crude, direct, and suggestive of volume. The fact presents his blood donation as a violent, unmediated process requiring weapons and industrial containers.

What's brilliant is the subtext: his blood is so dangerous that it requires violent extraction. A syringe couldn't contain it; normal medical protocols fail. His contribution to the blood supply requires weaponry. The fact doesn't say his blood is radioactive, sentient, or corrosive—just that the logistics of collection are incompatible with standard procedures. He's simultaneously a donor and a threat to the collection infrastructure.