2 definitions by ijs

Top Definition
a hot babe tied inexplicably to jude law, a "heterosexual" british actor
Man, I'd love to do her, but she's a Sienna Miller!
by ijs May 04, 2005
A not everyday creature that has an odd preference for goats.

People who get to know a 'Sjaak' mostly get assaulted by it, especially little people.

It feeds on alcohol, but it likes beer the most.
Is that a 'Sjaak'?!
Quickly feed it! Otherwise it is going to touch you!
by IJS September 22, 2013

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