Slang is a free-grammatical rule of language phenomenon that exhibits the invention of vocabulary in a community groups in order to strengthen social identity. Overall, there are 15 data of Iban Sebuyau teenagers slang which has been acquired and separated into noun categories (eight data) and verbs (seven data). This study will analyze seven types of words of Iban Sebuyau teenagers’ slang in Sarawak via the verb category. Besides, the slang of Iban Sebuyau teenagers’ data will be examined based on the Radial Network Category Framework as suggested by Lakoff (1987). Accordingly, this study applied qualitative methods to obtain field sampling based on 10 teenagers in Sebuyau which has been selected based on their comprehension on the slang. As a result, the findings shows that there are in total of 7 data of Iban Sebuyau  teenagers slang has been obtained in verb categories such as merueh, ngaga’ peta, ngangat nyawa, belagu, nunjuk langit, melabur, and fogging. Overall, the Radial Network Category Framework approach able to describe the extensive meaning of Iban Sebuyau teenagers slang.

This paper examines the use of subtle language or euphemisms in the fear domain of the Iban Sebuyau community, Sarawak. The data of this qualitative study was obtained through a field study, involving 10 Iban informants who are permanent residents in the district of Sebuyau, aged between 40-70 years. The study informants consisted of five males and five females. Structured interview method was conducted to obtain data from the fear domain, guided by questions related to the element of fear of a concrete and abstract entity. The five data analyzed in this paper are akar kayu’ (wood root), jelu sungkur (shovel animal), aki’ (grandfather), utai terebai (flying object), and bisi’ orang (the presence of people). The Conceptual Metaphor approach from the cognitive semantic framework applied in the data analysis of this study succeeded in unraveling the cognitive relationship based on the knowledge and experience of the speaker with the lexical euphemisms of Iban Sebuyau. This study provides an important contribution to the vocabulary of knowledge, in addition to explain the use of euphemisms in this domain as one of the forms of figurative language that is important and significant in the daily communication of the Iban Sebuyau community