not see hide nor hair of
US /nɑt si haɪd nɔr hɛr əv/
UK /nɑt si haɪd nɔr hɛr əv/

1.
to not see or hear anything about someone or something for a period of time
:
•
After the argument, we didn't see hide nor hair of him for weeks.
•
The cat ran off and we haven't seen hide nor hair of it since.