Honolulu's (as well as the rest of Hawaii's) area code is 808. People will sometimes say "representin' the 808" to identify themselves as Hawaiians.
This is a name commonly used for bicycle rickshaws that generally transport tourists around the city. The "driver" names their prices usually, so make sure you ask before your ride starts exactly how much it will cost.
Slang for the beer Milwaukee's Best. Can also be shorted to just The Beast.
After giving up a record number of homers in its first series, people starting calling the new Yankee Stadium the "Launching Pad." As it turns out, there's a wind current caused by the shape of the stadium that tends to lift balls flying toward the right field fence.
Creek, river, stream, etc.