An autistic person who will constantly get out of trouble while doing shitty things because they have autism while in reality they can be real decent people.
Depending on the political correctness of a instance they will either

1. Accept everything the Spectrum Feeder does.
2. They beat him up because his bullshit.
3. It will be THAT guy everyone ignores.
Ignoring a Spectrum Feeder is the most effective way to deal with a Spectrum Feeder, because they usually act out of attention grabs.

when you're hungover as shit after a spending a night drunk as a skunk