The complainant, who lives on the 1100 block of Vallejo Road, found the stranger asleep on his couch, apparently recovering from a nearby party which he fled the night before on the 1100 block of Cheyenne.
The slumbering suspect was later identified as Nathan Ray Jones, 19, who had enjoyed a night on the tiles before entering the house through an unlocked door.
Before crashing out, Jones had wet himself then hauled down his trousers.
Lewis and Clark County sheriff Leo Dutton said: "Deputies arrived and asked him to pull up his pants.
"They smelled alcohol on his breath and the front of his pants was wet."
Jones was charged trespassing, violating probation and under-age possession of alcohol.
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