A man would not lick what he spit.
More Azerbaijani Proverbs:
Without sowing a single wheat you would not harvest thousand ones.
Azerbaijani
It's not shameful not to know, but it's shameful not to ask.
Azerbaijani
A man says his word to the face.
Azerbaijani
Cheap meat never makes a good soup.
Azerbaijani
He can't see the beam in his own, but he's looking for an eyelash in someone else's.
Azerbaijani