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3.
When your woman is acting up and you take her head and put it between your legs and tombstone her, just like on WWE. Then you lift your arms above your head and say "gengis"
My bitch was giving me a hard time last night so I gave her the gengis.
by G-Had September 16, 2006
 
1.
Any of your ribs.
Jay: 'FUCKING AV IT!'
Jamie: 'FUCK MAN YOU CRACKED MY BOTTOM GENGIS!!'
Jay: 'LOL FUCKING SHAME TINGS, ITS COS UR NAMES JAMIE!!!'
by jayhowes July 10, 2008
 
2.
A mysterious person or object that near-retards constantly search for but can never find. It is the holy grail for "special needs adult's". You can usually hear them muttering it near public bathrooms or porn shops.
Pronounced 'Gang-Gee'.

"Gengi? Where is precious Gengi??" -Tard
"Excuse me sir, you can't stand there." -Bathroom attendant
"Gengi?"
by Ryan Crabb May 15, 2006