a friend pulls over at the Hope slide him and his friend tour the place read the plaque etc.
friend sees FULL washer fluid container on the side of road,not being the type to refuse free stuff claims it as his own and upon returning to his Ford pick-up fills up the washer reservoir with his prize.
feeling pretty good about things they roll on to Vancouver.
well might as well use the windshield washer,just filled it ya know.
suddenly the cab of the truck fills with an incredible aroma of aged urine.

it was a truckers pizz can.