Glad to see this is popular
Here's more from me:
-Miss when you shoot someone seated a metre from you in a bar.
-Be as clumsy as you are stupid
-Get in Boba Fett's way or tell him that his father was a wuss
Take a Star Destroyer out for a joyride.
Tell a 'yo momma so fat' joke to Jabba the Hutt.
Say "Darth Vader is a mama's boy" over Death Star intercom.
Press random buttons on Vader's stomach control panel.
Be a storm trooper on Endor.
During the middle of a duel with Darth Maul, turn around, bend over, spank your own butt, and ask: "Do I make you horny?"
Put a sign saying "Kick Me" on the back of Palpatine.
Tell Jabba that you don't have the money.
Run up to Vader and start pressing the buttons on his chestbox.
Fondle Padme in front of Anakin.
Say some "Your momma is so ...." jokes around Anakin.
-If you're a guy, dance naked in front of Jabba.
-Talk to Calo Nord from KOTOR. He'll kill you for talking to him.
-Piss Vader off.
-Shave Chewbacca while he's sleeping.
Moon Jabba the Hutt
Be the first stormtrooper through a smoky door
Confront Palpatine in AOTC and tell him you know his secret
Dress up as a stormtrooper and scare Leia while she's got a blaster.
Get drunk and try to pilot a Star Destroyer.
Put superglue on the bottoms of Vader's boots.
Play the drums on Vader's helmet
Try to use the Jedi mindtrick on Sidious
Tell Vader you killed Padme
have a lightsaber duel over molten lava.
storm into the throne room and slap the emperor hard across his face while calling him a dirty old rotten man.
tell jabba (with an italian accent) "i aint gonna pay you's another dime!"
Say "Tusken Raider" to Darth Vader... or go up to Aayla Secura, and say "you're ugly."
Go surfing on Mustafar.
Shout "Luke Skywalker Rocks!" on the bridge of the Executor.
Point a gun at Han Solo.
Tell the emperor that he does not have power.
Walk under an AT-AT while forgetting it has legs (CRUSH!!!) lol
Jump to hyperspace in front of a Planet or Moon.
Tell Darth Maul that you're the apprentice Palpatine has been secretly training to replace him.
Grab and yank on Darth Vader's cape.
Tell Han he didn't really shoot Greedo first.
Ask to work on the Empire's new superweapon.
Reveal yourself as Jar Jar #1 fan.