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1.
Taken from an arabic legend.
Represents a brave young man who defeated giants.
It has changed as centuries passed.
It means brave..
Genco dizisi de ne saçmaydı ama...
by DrMGE February 07, 2010
 
2.
A small vaginal fart that hums out a room.
Sounds like a small mouse burping
"is that a small mouse or has someone done a genco!"

"eurghhhh that genco stinks, get it out of my face!"
by muhamid smith November 10, 2008