The gaming community is one of the fastest growing communities in the world and consists of more than 3 billion players which vary by age and gender. As a result, a new type of jargon has appeared – gamer jargon which is used while gaming or talking about gaming. Gamer jargon provides the sense of belonging and identity. The language used by most of the players is the English language, as a consequence of its distribution and status as a lingua franca and it serves the purpose of easy and understandable communication. Gamer jargon is based on the principles of brevity, clarity, and simplicity. These three principles are based on the fact that swift and direct communication is needed in order to have a successful gaming session. The message needs to be delivered as fast as possible to ensure the status of a victor. While communicating with foreign gamers, Croatian gamers use the English language, whereas when communicating with Croatian players, there is a tendence to use the English language as well as the ‘adapted’ Croatian language. Certain English words are adapted by adding prefixes and suffixes characteristic for the Croatian language, by changing the meaning of certain words or by using phonetized words. Those words that cannot be adapted or translated to remain brief and clear are being used in their original form. This thesis can serve as a brief introduction to the world of the Croatian gaming community and as an insight in the everyday words which are beingused by Croatian gamers. This topic requires further research, in Croatia, as well as in the world, in order to grasp a better understanding of the influence this gaming community and its idiom hold in everyday life and public communication.