Usually directed towards a very large or ugly person. Insult used to over exaggerate the size of a person or unattractiveness of someone usually a woman with a large head and bad hair. the mammal wildebeest is a very ugly and large animal.
Also used to describe someone with a large upper body and slender lower body.
An annoying female person who posts on the official "19 Kids & Counting" Facebook page. Prone to typing in capital letters in order to get her typically nonsensical point across, and ignoring anything even remotely logical.
A junkie who drinks very cheap cider to get wasted and shag birds. Associated with the terms "Fuck aye" and "well off it"
I was walking through the glen in Viewpark and I noticed a guy drinkin carbon white shouting "fuck aye" im "well off it" and saying he wants his hole. It must have been a willabeena.
When a contractor, consultant, or employee implements changes, ignores any consequences, and splits for the next job. This is similar to how a wildebeest will pause to drop her new-born calf on the savana and then keep on running.