A species of geek that lives on the radio spectrum. Usually elderly, often cantankerous, almost always male, can probably dismantle your brand-new walkie-talkie and put it back together in working order in under an hour. Often appends an incomprehensible jumble of letters and numbers to his name (his radio call sign).
A person who spents all his days with radio stuff just because he thinks it's good.He (or she, but female hams are rare because there are less females that can't think of somethingbetter than radio) even passed an exam about that.
Tyler: Look at that sexy ham walking over here
Paige: did you just call your girlfriend a ham?!
Tyler: yeah you know... Ham = Hot Ass Mess
Paige: You just called your girlfriend a mess...
Tyler: A hot one at that...