If your truly can't prove a negative then....

quatona said:

im·per·ti·nent


adjective 1. intrusive or presumptuous, as persons or their actions; insolently rude; uncivil: a brash, impertinent youth.

2. not pertinent or relevant; irrelevant: an impertinent detail.

3. Archaic. inappropriate, incongruous, or absurd.

4. Obsolete . (of persons) trivial, silly, or absurd.
(dictionary.com)

Let´s be charitable and assume he used it in the meaning #2.

Click to expand...

quatona said:

im·per·ti·nent


adjective 1. intrusive or presumptuous, as persons or their actions; insolently rude; uncivil: a brash, impertinent youth.

2. not pertinent or relevant; irrelevant: an impertinent detail.

3. Archaic. inappropriate, incongruous, or absurd.

4. Obsolete . (of persons) trivial, silly, or absurd.
(dictionary.com)

Let´s be charitable and assume he used it in the meaning #2.

Click to expand...