No one knows for sure what this means. Physics teachers have been known to use it instead of saying "thats a bunch of bullshit" to already thoroughly confused high-schoolers.
Mr. Desko (where the desks go) says to the class "thats rigamoro Sam"
A word which describes sillyness, and outlandish ideas. Also a word which has close relation to rubbis], and malarky except this word usually has a positive connotation.
1) (Mr. Ramirez) Who said that plants are aliens? Well that is just a load of rigamaroo.
2)He's full of rigamaroo