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1.
one of the highest forms of satisfaction. such as getting drunk off wine or champagne is a very happy drunk, getting full off sushi is the happiest form of fullness.
"oh i feel so good right now after that crunchy roll"
"you must be at the peak of your sushi drunk"
by holymoleydood July 30, 2009
 
2.
Consuming excessive amounts of sushi, which leads to difficulty performing basic motor functions and a reduced ability to think critically.

Closely related to intoxication from alcohol.
Josh: Are you okay?
Jon: I can't believe I ate all that sushi! I'm so sushi drunk I can't move.
by Loyola Paulina April 24, 2012