Double meaning:

Is it an old man or a kissing couple ?

THE  EXPLANATION:
The left eye of the old man is the head of the young man.
The right eye of the old man is the head of the girl.
The young man and the girl are kissing.
The left cheek of the old man is the body of the young man.
The old man's lips are the young man's arm.
The young man is hugging the girl.
The old man's beard is the girl's dress.