In the poker variant of Texas Hold 'em, Rockets refers to having two aces as your hole cards. This is usually seen as the holy grail of hold 'em hands and wins a very large majority of the time. Yet, seen by many neophytes as a terrible hand because 'they always get drawn out'. Chances you receive aces as your hole cards are .45%.
Other nicknames for Rockets include: Pocket Rockets, Aces, Bullets, American Airlines, Teepees, Snake Eyes, Alan Alda, 4.0, Jack Daniels
Layne reraised Scotty $6000 after he peeked down at Rockets