CM Punk cuts a promo on Tom Arnold in Social Media SmackDown ' WWE BACKSTAGE

CM Punk did not hold back when he responded to Tom Arnold's social media comments, eviscerating him with a classic Punk promo in this week's edition of "Social Media SmackDown" on WWE Backstage — and slipping in a reference to Seth Rollins for good measure.

World Wrestling Entertainment CM Punk Seth "Freakin" Rollins