...So I have a creepy uncle who on average, every time I see him, hugs me for about 3 seconds too long. (I know what you're thinking: "3 seconds is too long for a hug anyway!" Spot on.) So I'll see him on Christmas day. HOW on earth do I avoid his hugs, while hugging other relatives, OR, worst-case scenario: how do I escape from his hugs once I'm already in his grasp? *Shudder*
if he moves in for a hug anyways; shiv him.
this may cause some awkwardness, so to make everyone at ease... just say "homey dont play that", drop the shiv, and walk away.
jokes aside, that (handshake block) and showing up late is a perfect way to avoid awkward "hellos"
All completely unintentional of course.