Definitions by John Craigmuffin

twinnist 

1. a belief or doctrine that inherent differences among twins and singletons determine individual achievement, usually involving the idea that one's own multiplicity is superior and has the right to rule others.
2. hatred or intolerance of twins or non singletons.

My brother and I are not the same person you damn twinnist!

twinnist by John Craigmuffin September 15, 2006