While urinating on The Dude's rug, the Treehorn thug says "Ever thus to deadbeats, Lebowski!" This is a play on the Latin phrase "Sic semper tyrannis!" (Thus always to tyrants!), which was allegedly spoken by the murderers of Julius Caesar and Abraham Lincoln during their assassinations. See more

Goofs

After Walter throws the ringer out the car window over the wooden bridge, he bales out of the car at 15 MPH and lands on the asphalt. As the Dude transitions to the driver's seat, he crashes the car into a telephone pole. In the cut shot from the car back to the bridge, the three nihilists are seen speeding off over the bridge on their motorcycles in the opposite direction. Walter is nowhere to be seen although he should be lying there in the road between the car and the bridge. In the next shot from the bridge, Walter rises from the pavement in the left lane where he landed as the Dude runs toward the bridge shouting "We have it." See more