For added kudos, mix a White Russian before you start the homage to Il Duderino.
-The Dude refers to himself in third person.
-”Fuck”, “dude”, or “man” is said.
-Walter gets angry.
-Walter says “Fuck it dude, let’s go bowling”.
-Dude, Walter, and Donny are bowling.
-Walter puts down Donny.
-The Dude’s rug is mentioned.
-Someone speaks with an accent (i.e. Jesus, the nihilists).
-Bunny’s toe is mentioned.
-Walter mentions Vietnam.
-The Dude has a dream.
-A line in the script is repeated (3 if that line is used somewhere not within the plot, i.e. “This aggression will not stand”).
-Someone bowls a strike.
-Someone is interrogated about the mystery (i.e. “Where’s the money Lebowski?”, “Is this your homework Larry?”).
-A Creedence Clearwater Revival song is heard.
-Walter mentions converting to Judaism.
-Bunny is referred to as a “bitch”.
-Donny goes offtopic in a conversation.
-The Little Lebowski Urban Achievers are referenced (4 if it’s another merit).
-The Gulf War and/or Saddam Hussein are mentioned.
-You hear a classic rock song not by Creedence Clearwater Revival (4 if it’s not the original version, like the “Hotel California” cover).
-A Jackie Treehorn movie is seen on a TV.
Finish Your Drink
-Walter not only says something angry, but he does something angry (i.e. the fight with the nihilists, pulling the gun on Smokey).
-The Dude gets angry with the law (i.e. the private eye following him, the police station).
-Philip Seymour Hoffman’s character laughs.
Likely Hangover: You know that rug? Really tied the room together, huh? Dry cleaners.