1. A term used in the game of Hearts
when you attempt to collect every Heart, the Queen of Spades, and sometimes the Jack as well. Normally pulled off when you've been dealt a bunch of high cards or nearly an entire suite, or your opponents are frickin' retarded.
2. To attempt the near-impossible.
1. YOU HAD A FRICKIN' ACE OF HEARTS, BUT YOU PLAYED A TWO!? WAY TO LET HIM SHOOT THE MOON!!
2. 5 star Freebird on Guitar Hero II? You're shootin' the moon!