as is "Oh" Beast or "Orgasm" Beast or the Big "O" Beast.....a woman driven to maddness in pursuit of a/many orgasm(s)....She will destroy your cock in her quest for the Big-O!
My ex-girlfriend is and obeast, she road my dick till it bled.
by Adair February 25, 2005
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the evolution of feast mode. feast mode is like beast mode but performed only on foods. obeast mode is feast moding until the point of no return
c2 first beast mode feast mode and turned it into obeast mode
by c2iv October 31, 2011
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(pronounced oh-beest)

1) a mix of the words beast, in this case really good at something, and phat. Someone is very proficient in something.
Hey man, my wide receiver is so good, that he's obeast!
by sowutifimuglt,ugly! January 19, 2007
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When a chinchilla has klamidia and starts bleeding out yellow.
That obeast chinchilla was rocking that crop top
by Big chinchilla dad April 3, 2019
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Feeling rather like your Primal Beast-like Instincts are emerging ...Oh you sassy little beast...what R U up to today????
More cooking, more photos, more recipes...More gardening...more visitors...see what it is that keeps the beast happy at www.obeast.blogspot.com
obeast cooking...beer chicken on the run
obeast taking photos...everything from Irises to Weddings
obeast being reliable...blogs religiously more than three times a week
by Beasty June 22, 2004
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As a result of over eating, the family became obeast
by maciam November 5, 2013
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