Lucas 

Leader of the wolves. Usually is the head of 6-7 full grown male wolves. Also, is a fly ass guy who enjoys baklava.

Wow, look at that wolf pack, their Lucas is huge.

Wow, that guy is such a Lucas with all those women.

Lucas by 2kool4u13 December 7, 2010

lucas grabeel 

some actor that wears fruity hats on High School Musical.

DC lover: "I <3 hi skewl moozickal, spesh lucas grabeel!"
Me: "...no."

lucas grabeel by MiSSxCRiSTiANO August 22, 2007

Lucas 

Lucas is very adorable he is smart funny and he is super cool and weird at the same time he says a lot of things he doesn't mean and is very caring for all people

Girl:"Lucas your you're weird in so many ways

Lucas:"I say things I dont mean to

Lucas by baby Gandalf August 28, 2015

lucas 

The act of jumping on the hood of your friends car while he is driving then you try to jump off but screw up and land on your back with your feet in the air and then replying OWWW!!!, once you hit the pavement.

Woah man, he just pulled a lucas! I hope he didn't just poop himself!

lucas by Zach of the fifth realm August 26, 2006

lucasism

noun. A scene or brief moment in a motion picture, featuring some element of sophomoric or childish humor, that is out of place, and inapropriate to the advancement of the story. It seems to exist for no other reason than to make an idiot laugh for about 2 seconds.
Named in honor of George Lucas, for his propensity for including these inane moments in his films.

Lucasisms of note include:
An alien stepping in poop outside of Mos Eisley in Starwars I
A wookie giving a tarzan yell as he swings from a vine in StarWars III

Wow, that was stupid. I can't believe this director would put a Lucasism in his movie.

lucasism by RT Smith May 21, 2005

Lucas Heights 

Lucas Heights is a small government owned testing facility near Sydney, Australia. It is operated by ANSTO. Located at Lucas Heights are 2 low powered nuclear reactors and various other testing facilities that have interesting pieces of research equipment.

The "HIFAR" High Flux Australian Reactor located at the Lucas Heights site is a very old reactor which is used only for research purposes. It has an output of 5MW. The HIFAR Reactor is fuelled by 8 kilograms of uranium which is enough to fill one coffee cup. It will be de-comissioned when the OPAL Reactor is operational.

The "OPAL" Open Pool Australian Lightwater Reactor is a more modern research reactor that is in the final stages of being built and will have an output power 10MW when completed.

Guard: Welcome to Lucas Heights, please show your photo ID at the security booth up ahead.

Lucas Heights by That furry who is a nuclear activist July 30, 2008

lucas adams 

cunt, shithead, scum, but super pro-Israel

I wish I wasn't so much of a Lucas Adams but I just love Israel too much

lucas adams by Wet Shoelaze June 16, 2017