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1.
combination of ye and anus said so often that eventually combines to sound like yanus. also can be used as a greeting for immature austrailians.
American: Hey how is it going?
Austrailian: Yanus!
American: That was completely uncalled for!
by z@xx0r January 24, 2008
 
2.
a famous, norwegian type of pizza, characterized by it's enormous weight.
Man that pizza is heavy! I bet it's yanus.
Man I'm hungry. Wanna grab a big yanus pizza?
by Mr. Uche September 19, 2011
 
3.
The area between the anus and the vagina/testicles.
Stick your head between my legs and smell my yanus!
by Peter Pants April 22, 2006