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1.
n. Slumlord, as in someone who has shit for brains and refuses to tend to his tenants.
Hey, do you know about that ignorant fuck who owns the houses on this block? He is a real Gaddy.
by Charles Aellena November 24, 2003
 
2.
Function : verb

1 : to assail with intention of rape
2 : to violently penetrate with a foreign object. see Clockwork.
3 : to fondle vigorously

Inflected form(s): gaddied; gaddying

gaddied : to have been the recipient of a gaddy

gaddyist : one who commmits a gaddy
Dude, did he just gaddy you?

Walshy was gaddied so hard last night that he cried.
by lUK February 19, 2004