the over dramatic shaking a friend may produce when desperately trying to reenact the "welcome to Jurassic Park" scene
Friend A: "Ugh. I hate when Josh gets a hold of my crutches."
Friend B: "Why? It's hilarious. I bet he'll 'welcome us to his park' again."
Friend A: "Yeah...but it just looks like he has Jurassic Parkinsons."