The purpose of this study was to investigate how the use of slang is influenced by mainly three factors, namely age, gender and the combination of age and gender. The study examined the relationship between age and gender in using slang in conjunction with evaluating the semantic values of slang expressions. Two hypotheses were stated: 1. Considering the increasing equality between males and females, females are adopting a more nonstandard language containing slang. Thus, the stereotypical idea that men use slang to a greater extent, and that they are more accepted as slang users cannot be regarded as fully correct today. 2. Younger generations are the ones in majority of the use and innovation of slang. This is a traditional notion still believed and it was expected to be confirmed in the study. The pattern of use and evaluation of slang was assumed to indicate whether or not these ideas were true. The primary material was a survey with one hundred participants carried out on the Campus of Central Michigan University, U.S.A. The conclusions reached were that the findings confirmed the stereotypical notion of males as the ones using slang the most, rather than refuted the notion as expected. However, when examining the use and evaluation of slang in the young age group results indicated that, young females had an increased use and awareness of slang compared to old females. The second hypothesis was confirmed as younger people use more slang than older people.