Nonsense Crossover 

A crossover between two different things with both different subject and stories that are unrelated to each other (Cartoons, TV shows, Movies and video games included)

Richard: Hey man check out this crossover between (subject) x (subject)
John: Oh... that's good nonsense crossover i guess.

Nonsense Crossover by Robert Francis. Kennedy January 8, 2021

nonsense crossover 

A crossover between two different things with different stories that are unrelated from each other that are crossing over (Cartoons, TV shows, Movies and video games characters, anime characters included)

Richard: Hey john look at this nonsense crossover image that i found between (subject) x (subject) doing something really cool.

nonsense crossover by Robert Francis. Kennedy January 8, 2021