たまらなくてもいう
堪らなくてもいい
tamaranakutemo iu

Godan Verb (ru)
i-Adjective

Expresses lack of necessity ("don't have to do") of たまる

1. Don't have to bear it.; Don't have to put up with it.; It's okay if you can't stand it.

Negative
Permission
Usually Written in Kana