System and method for text translations and annotation in an instant messaging session

A system and method for translating received input from a sender to recipient in an instant messaging dialog is disclosed. The method comprises receiving instant messaging input from a sender for recipient, wherein the instant messaging input comprises at least one subculture specific term. A category is identified the defines a difference between the sender and the recipient and the received instant messaging input is modified from the sender by generating an output associated with the least one subculture specific term and based on the identified category. Multiple recipients in a chat session may also each receive a translated or annotated message according to characteristics of each individual recipient.