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a cilla psycho is the worst type of psycho you can get, it means they're paranoid, hated, screwed up, over reactive, insecure, clingy, desperate, big mouthed, sneaky, nosey, crazy, mental, friendless and love to bitch but have no idea how to back themselves up.
girl 1 - that girl hates me because im friends with her ex

girl 2- don't pay any attention to her shes a cilla psycho!
by cillapsycho August 25, 2009
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