Somthing that is amazing or above and beyond the ordinary.
Such as getting lucky 3 times in one day,fabtabulus.Or finding what you thought was a $1.00 bill just to find out it was a $100.00 bill.Fabtabulus!
I went to a stones concert,it was fabtabulus!
My trip to sunny florida was fabtabulus.
An expression of meaning nothing,or having no substance.
Diddleycrapp also known as diddleysquatt.Slang for the word
I did not get diddleycrapp for a bonus!
Nothing he said meant diddleycrapp.