From our Slanguage series (slang + language = Slanguage) for the "US of A"! Incelligence has compiled an authoritative and compelling list of over slang 1,600 words and phrases commonly used in the U.S.A. Now you might not hear many of these words in "polite" conversation, but if youre a Yank, or just an Yank-wannabe, you need this app!