できっこない

expression

can never be able to; there's no way one can

Emphatic negative potential expression; formed from できる + っこない, meaning 'absolutely cannot do' or 'there is no chance of doing'. Used in casual speech.

See also: っこない

• こんな難むずかしい問もん題だい、できっこないよ。

  There's no way I can solve such a difficult problem.

• 彼かれが一人ひとりでそれを運はこぶなんてできっこない。

  He can never carry that by himself.