From this page. http://www.intranet.csupomona.edu/~jasanders/slang/top20.html I find that some american slang words mean the opposit in english. 17, dope = nice cool, in english it is a stupid person. 7, sick= great excellent, in english it is used to describe a pervert. 3, dog= friend, in english it is used to describe a (rough) woman 2, tight= great cool, in english it means either, drunk or a person not easily parted with his/her money.