What does なんたらという mean? What does mean? I searched 's meaning and it showed. The following * oojah * oojahkapiv * oojamaflip * oojar * oojiboo I used eow.alc.co.jp to search. < What do this mean? Is this a japanese only word?

I suspect this is a type of metasyntactic variable, a word which stands in for an unknown word. I don't know why those examples were chosen, but more common metasyntactic variables in my idiolect are 'whatchamacallit', 'doodad', 'thingummy' etc.