Hobo mattress claim

The act of one hobo urinating on another hobos mattress to claim it. A Hobo claims his possesions by urinating on them, because it leaves a distinctive smell. For example if a hobo named joe from ny pissed on his matress, a hobo from california could smell that matress and say, o thats joes matress because all hobos know each other even if they have never met. Its called programmed hobo intelligence (phi) It is very offensive to piss on another hobos matress.