A strong denial with 〜っこない
Grammar: Assertion and Declaration » 〜っこない
~っこない is a forceful, colloquial way to say that something is impossible or has no chance of happening.
It translates as “no way”, “definitely impossible”, or “absolutely cannot”. The speaker treats the denial as certain.
Usage Notes
Attach it to a verb stem, as in 食べられっこない, “there is no way I can eat it”. It often follows potential verbs and appears with conditionals.
It also pairs with emphatic expressions such as なんて: なんてありっこない, “there is no way that is possible”. It resembles ~わけがない but sounds less formal and more conversational. Saint Tail sends out a parade of copies of herself to confuse Asuka Jr. and the police. As he performs one trick after another, Kaito says he’s unbeatable at magic. Aoko says he can’t win against Kaitou Kid, the magic-using thief her police father has yet to apprehend. Kaito disregards the claim and continues disrupting class with his tricks. Asuka Jr. is feeling down after Saint Tail committed a theft without giving him advance notice. When Meimi tries to console him, he tells her she doesn’t understand Saint Tail.Further Reading
Examples
Can't be found with 〜っこない

No way he can win with 〜っこない

No way you can catch with 〜っこない
