爺ちゃん 祖父ちゃん じいちゃん noun (common) (futsuumeishi) see: 祖父さん familiar language [usu. 祖父ちゃん] grandfather (may be used after name as honorific) [usu. 爺ちゃん] male senior-citizen (may be used after name as honorific) ◄ ►