Suffix used at the end of many "gamer/nerdy" terms to emphasize the meaning of the word. Mainly used during competitive-online video games such as Halo 3 and World of Warcraft.
When a guy/ girl you like says "you are like my sister" or "you are like the little sister I've never had" or "I love you like a sis" It is worse than being friend zoned, it's all the way past friends to family. You probably have a 2% chance of getting out of the sister zone and having a relationship with that person.
"you be in the store, card declined declined, you not litt.. you got zoed"
OR
Someone who was swindled by money flippers "20 into 200" or by scammers who sell gift cards loaded with money from stolen credit cards AKA "pieces"