A fanfiction in which several fandoms interact with one another.

Cross-overs largely involve time travel and interdimensional travel to meld two different fandoms.

A crossover is that type of person who once belonged to a distinct subculture who then suddenly changes their style and behaviour to another subculture, usually coming from a change in fashion trends.

Cross over
Verb

1. To go to the spiritual realm when one dies and leaves the body.
2. To make somebody's spirit (persons or living creatures) go to the spiritual realm.

The characters from one story world meet with the characters of another.

1.n. A move in basketball in which a person jukes while bouncing the basketball from one hand to the other usually leaving the defender going in the opposite direction . It has become increasingly popular as of late due to talented users such as Allen Iverson, Tim Hardaway, And 1 team, etc.

Can be used in a positive or neutral sense to refer to an artist that has attained appeal beyond fans of the genre in which the artist started out. Can also be used in a negative sense that implies "selling out" to refer to the same artists or to artists who are attempting such a crossover. The negative connotation is most often used by purist fans or fellow performers within that genre. This term gained some prominence in early 1990s rap as some rappers 1) attempted to tailor their acts to white suburbia, 2) employed what was regarded by some as an excessive amount of R&B on records, or 3) engaged in collaborations with heavy metal artists, in the style of Ice-T. The negative version of the term is now used less often in rap circles, as many mainstream rappers have blended the avaricious hustling image of street culture with the rampant consumerism of white suburbia so as to attain both crossover status and street cred.

A mixture of an SUV and a car. A reletively new introduction to the automobile worlds- but all these car companies did was bring back "station wagons" and call them something different- and stupid people are buying it!