It means you're horny, dude.
"My pussy is dripping I sooo have the general horn."
by Busta Move May 07, 2004
Contrary to popular belief, having the 'general horn'does not nessecarily mean you're horny. (It could). It means you're a playa and are attracted to several people.
"She likes Tommy, Tony and Josh! She totally has the general horn."
by Mae Stripeland May 06, 2004