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2.
Handheld domestic appliance used for sucking up rockets. Similar to a dustbuster.
Dang, who's left all these rockets on the floor? I'll have to get the rocketbuster out to clean them up.
by robcraine November 23, 2005
 
1.
A huge wrestling match, or event.

Term invented by WWE's Taz
"This has been a rocketbuster of a match, Cole." Taz, Smackdown Vs. Raw 2006
by Ryan Damon November 21, 2005