The person up train of you on the sushi train that steals your chosen plate or plates.
Differs from a sushi hog and sushi ninja by quantity and selectivity.
-- Tina Yothers just sat down and she has already robbed me twice. What a Sushi Thief!
The absence of desirable sushi plates on a sushi train due to a sushi thief or sushi hog being positioned up train from you; stealing your chosen plate before it reaches you.
-- Where are all the money bag plates?
= We are in Tina Yothers' "Sushi Shadow"