They're different terms for the same thing, although the term u003cemu003ehobo dinnersu003c/emu003e can be offensive to some. Both terms are widely used in the camping community. Homeless people living in camps were known as hobos, historically, and they had to be frugal with food, growing their own or scavenging or foraging. They would then cook their ingredients over fire, which was a cost-effective and simple method.