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A person who follows heir own beliefs and is most of the time against the crowd. He/she is not afraid to take any opportunity by the scruff of the neck and is almost immune to embarrassment. The person is although friendly but socially awkward and requires patience from those who desire his/her friendship.
That guy acts so strange but in a nice way. He is kind of a rubeast.
rubeast by RUBEAST. April 27, 2016
Evil half robot, half freak monster from retro cartoon "Voltron".
"Princess Alora to Hank. We've gotta kill that robeast!"
robeast by Sparky May 16, 2003

joey rubenstein

Vigorous, corpulent manflesh, looking to commandeer. Associated with the APA (Asspirates of America). Has been comandeering for 15 years.
Joey Rubenstein is the world leader in ass-comandeering. He has comandeered 30 manfleshes this week!
joey rubenstein by Jeremy March 21, 2005
1. noun. Reference from an 1980's Japanese animation series called Voltron. An evil and hideous-looking creature that stands over 50 feet tall.

2. noun. A fat, obese, and/or ugly-looking woman.
Oh my goodness, look at that Robeast trying to squeeze into that tiny swimsuit!
Robeast by Becky February 4, 2004

rubasturbate 

the combination of rubbing out and masturbating, which is to sexually exite yourself until you reach a climax. With males it involves using their hand to 'jack off', that is holding their dicks and moving their hand back and forth. Females usually use their fingers to rub around and enter the vaginal area. (credit to Jan)
Ryne, while laying on his bed, decided to rubasturbate while thinking of Scarlett Johansson in Iron Man 2.
rubasturbate by Dweller20198 May 20, 2010
A little known animal that wanders through the corridors of a psychology department in the Eastern Cape.
Look there's the Robeast!
robeast by Robeast July 23, 2003