n. The act of taking one of your old, scratched up discs and replacing with a mint, clean Blockbuster DVD, or game, and returning the scratched disc.
Nick's little brother scratched up his Halo 2 disc, so he rented the game from Blockbuster and switched out the discs.
1 - "Man, my old Splinter Cell disc is too scratched to play on my Xbox."
2 - "Dude, just pull a blockbuster swap."
1 - "Good idea."