gandu noun3 •(slang, vulgar) An arsehole, an idiot.She was almost nice, or trying to be. But that Khushaal. What a gandu! A real ass! — 2011 •(vulgar, offensive) Someone who takes the passive role in anal sex.He is less likely to be considered a gandu (since presumably he can satisfy himself carnally at will with his wife). — 1997 •A work agreement usually involving a married man and his adult sons who take on responsibility for the fieldwork of a farm on which they all live.There are several variations in the organization of gandu in this area. — 1966 formsgandus