sushivore
Sushi-eater; one who is profoundly a sushi eater; very into sushi.
Dude, that chick Linda, is such a sushivore; she's been eating at ichiban 6 days straight now! Wtf!
sushivorous
Sushi-eating; feeding upon sushi.
Meg had to move to the other end of the restaurant because the sushivorous diners at the adjacent table were making her want to puke.