There’s this show on MTV called Ridiculousness, where Rob Dyrdek, 42, is the coolest, most quick-witted, snap-backin’est, high schoolin’est adult ever, and he spends 22 minutes of a half hour around 10pm laughing at and narrating videos he selected from the part of the internet where people get hurt. He wears snapbacks bearing the Monster Energy Drink logo and overlarge …