It's a term used by Uffie in her song, Pop the Glock. It means one can drive with his gang/or
people. Usually, the
people are just known as a
car not to be messed with...maybe they are part of a gang or they have drugs or they will just kick someone's butt in general.
"Me and He are crusalicious,
better watch out our clan gets vicious."
or, for a non-lyric example,
"Girl,
don't go by that red
car. They be crusalicious."