Radio 4 - Slang

http://www.bbc.co.uk/programmes/b006qtnz

"Obviously English but it's an English full of in group low life words"

"Slang represents us at our most human, may not be our kindest.....slang is a linguistic safety valve"

"'Yob' oldest slang word and is still used today" 

Slang is used in many different ways and for many different reasons in relation to the audience, speaker, age group etc. Slang is a way of remodelling the standard english language. Slang is seen to be used for different reasons, these appear to be, misogyny, abuse and sometimes sex. 
Slang is clearly not gender stereotyped, both men and women are known to use slang.