This paper deals with the examination and analysis of neologisms that are adopted by the social media users, the first part of the paper is dedicated to the examination of the society and social changes with the emphasis on technological changes that have affected the modifications in the language. Following social changes, the paper deals with the effects the Internet and the appearance of the social media have on the development of the lexicon. The core of the thesis is about deals with provides definitions of neologisms, classification of neologisms from the perspective of both Croatian and Russian neology. What is more, the omnipresence of the Internet and the popularity of the English language among the younger generations are regarded as the main source of the emergence of numerous neologisms in the 21st century. Taking into consideration that most of the collected neologisms are anglicisms, the thesis also provides a survey of adaptation of neologisms that had been found on social media, while the analysis showed that each of the collected 20 neologisms belongs to anglicisms.