look up any word, like sparkle pony:
 
1.
Slang term for a vagina
CHRIST! Look at the state if that Sibbald.
by Chrus. April 21, 2013
 
2.
A disowned member of the shrek family. characteristics include a love of anything deep fat fried, from the 80's, to do with meat and of australian soap operas. You rock kylie!
hey did you watch home and away last nyt
omg u r such a sibbald
by Arnold Schwarzenegger March 10, 2008
 
3.
A man of extreme sexual desires, both male and female are attracted to them, they have strong sexual auras and are desired by all.

And tend to have larger than life packages
'God i love him!' I know me too!! ...He is such a sibbald.
by goony555 February 27, 2008