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A thick syrup-like substance having many applications and coming from the explosion of an especially faggish person.
"Dude! Dako didn't let go of the fire works, now there is just a pile of fag-goo."

"Don't say that in church! God's gunna smite you and there'll be fag-goo everywhere!"
by Drago 71 July 31, 2009
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