the manner in which one acts, in addition to, the statements one makes while simultaneously drinking alchohol and snorting cocaine. milli equalling alchohol and the manner one acts and vanilli equalling cocaine and the false statements made by that person.
Mike: I dont remember shit from last night, i was so wasted!!!
John: yeah you were!! do you remember telling that chick at the bar that you were from california and owned a multi million dollar company?
Mike: nah man!! I was so milli vanillied, theres no telling what i told that chick
Not knowing an exact number and creating one to take its place just to pacify the need to know a number
Dude, I heard there were over a zillion people at that party. Oh heck, I totally Milli Vanillied that. Sara just called and told me the party was a bust, like 5 showed up.
When a musical act is caught lip syncing in concert. (From the July 21, 1989 Milli Vanilli concert in Bristol, CT where the vocal track to "Girl You Know It Is True" skipped)
Ashlee Simpson had a Milli Vanilli moment when a song tracked played before she started singing on Saturday Night Live.