Express your disgust towards someone who has used the "Who, Me!" defense and their behavior that is deemed inappropriate.
Ya gotta love the "Who... ME!" defense.
It was just a side hug???? Ummmm... THAT IS TOUCHING, IDIOT!
And, actually, that type of hug positions his hand, not on the back, where it can be seen,  like a regular hug... But, by the womans breast under her arm... 
SKEEVEE DUDE!