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1.
a wild goose chase. to chase after a goal impossible or difficult to achieve.
man this girl got me on a dummy mission...i cant find her g spot for nothin
by mischief August 07, 2003
 
2.
the act of going about solo or with friends
aimlessly until something to do is found.
"there has to be a party somewhere, trust me"

"jus drop me off man we been on a dummy mission for 2 hours"

by dee beee January 24, 2009