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1 definition by Michael James Taylor

 
1.
When, in school, you find some tissue paper then wet it then throw it at the ceiling. Then it later falls down on someones head.
"Aww man, i just got Jackajoo'd"

"LOL, i just Jackajoo'd that guy."

"That guys about to have a Jackajoo on his head."

"Hey man, is that like some bird shit?"
"No, it's a Jackajoo."
by Michael James Taylor July 19, 2009
10 4