I don't think there is a straight answer to what you ask. Slang,Street slang,street talk all fit the bill. Thishttp://www.probertencyclopedia.com/slang.htm" target="blank" > website is a good example
ps. some web sites don't allow hotlinks/direct links to them,for a variety of reasons - for instance you bypass their sponsers who miss out on advertising - I am by no means an expert on this kinda stuff.