Any of a breed of large oversized women with bad hygene who call themselves "big boned". The breed tends to have a foul odor, wear out of date clothing, and dress in a proto-hippie manner. Typically feminist, will blame their lack of a relationship of weak minded men rather than their own fould odors or appearance. Most wildabeasts will deny being wildabeasts.
Mark- dude dont go to marys house.
james- Why?
Mark- Because she is an Uneasy Wildabest right now.
James- Oh thanks man, that would have been really bad if i would have went to her house.
A man that often identifies himself as a "hulking mass" and likes to fuck small bitches in flexi-positions. After he fucks a small "bendy" girl he typically rolls over her to commence squishing.