The text parses as follows:
NARF It should be the case that
GOR- well, pleasantly
-MOND- consume
GORMOND- enjoy
GORMONDORT you enjoy
NARF GORMONDORT you should enjoy
Glazorthian has no imperative mood. Requests and orders are expressed through subjunctive paraphrasings.
(Personally, I don't even drink the stuff. I think narf gormondort Dr Pepper.)