rock

1. a stone 2. a piece of crack cocaine that is smoked 3. AKA "rock'n'roll". It's the ultimate form of musical expression. It's roots are in American, British and Irish folk, country and western (the classic stuff - NOT that poofy crap of today), jazz, blues, bluegrass and other sources. Pioneered by Ike Turner, Johnny Cash, Chuck Berry, Little Richard, Jerry Lee Lewis, King Elvis, Bill Haley + the Comets, the Beach Boys and many more. Expanded, further defined and influenced even more by British bands like the Beatles, Rolling Stones and the Kinks and German bands like Kraftwerk. Now rock music is listened to any performed by people in every nation. It's an American cultural phenominae that has shaped the world. 4. to be cool. To rule, to be bad. 5. In the U.S. Navy this word is jargon for flunking an academic test.