A programmer who breaks the usual expectations of quiet nerdiness and opts instead for the usual trappings of a frat-boy: popped collars, bad beer, and calling everybody "bro". Despised by everyone, especially other programmers.
Oh my god, John is talking about football and chicks again. That guy is such a brogrammer.
Highly Connected Individual. A member of the subset of geeks who spend significant amounts of time staying up to date on all the various Internet and cultural memes. These are the people who introduce their friends to the latest YouTube sensation.
"I thought you'd have seen that video already, being an HCI and all."