Usually spazzes-out in the middle of crowded areas, dead silences, so on. Will start random conversations that have nothing to do with what was said beforehand. Pretty much, the greatest friend someone could ask for. ^^
Could also be described as a ditz or ditzy
Person1: Hey, how do you think you did on that test?
Person2: I don't know.
Person1: It seemed pretty hard. Like that one-
Person2: Can apples think? What would they think about if they could? I bet they'd think about smart stuff, like why goldfish are gold but they're not really gold its more of an orangeish shiny color god I love shiny things don't you OMYFUCKINGJESUS!!!THERESABEE!!!!!GETAWAYGETAWAYGETAWAY!!
Person1: ... what?