Expresses the impossibility or very low probability of something happening; 'no way', 'no chance', 'impossible'.
Long explanation:
The ~っこない grammar point is used to express that something is impossible or has a very low probability of happening. It is formed by attaching the ~っこない ending to the stem of a verb's negative form. It can be translated as 'no way', 'no chance', or 'impossible' in English.