allmusic
Being positive about any album or song you hear. To never give bad reviews, or to only give them once in a while for obscure reasons. In reference to reviews usually given by allmusic.com.
That guy totally went allmusic on that new Simple Plan album, he gave it four stars!
allmusic
Encyclopedia Musica. Vastly useful internet music database.
Yo, bitch, that new allmusic layout is some fucked up shit.