This article is from the R.E.M. FAQ, by Ron Henry (firstname.lastname@example.org) with numerous contributions by others.
Well, it's not "Call me in Jamaica," or even "Only in Chalawaika." The
chorus is "Call when you try to wake her up, call when you try to wake
her." (Stipe's alternate version related on AOL was "Call me if you try to
wake her up.")