A general term for a large obese human, mainly females, with shitty personalities and overall negative attitude.
Oh dude, she is such a slagbeast!
by Lane Carmen June 24, 2011
Top Definition
a fat whore, presumably your ex-girlfriend or possibly your friends mother.
"dang adam your mum is a slagbeast"
by archiewordgroup August 26, 2009
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.