Instigate

[Couch Potatoe]

To start a conflict between other people just so you can watch. Can be between friends, between enemies, or between friends and enemies. Usually involves saying [he said she said] you suck! or some other much more colorful variant. Occasionally falls under the subtle art of [interpreting] a comment as incorrectly as is [plausible].

[Kit]

Bring about or initiate (an action or event)

[Magaret]

to cause an event or situation to happen by making a set of actions or a formal process begin: