On an all-new episode of Ridiculousness: DJ Pauly D of MTV's Jersey Shore stops by the studio to help weed out some "Jersey Shore Rejects" and show us what a little "Guy Touching and Laughing" is all about!

Twenty-one-year-old rapper Mac Miller joins Rob in the studio to discuss Mac's hilarious alter ego "Hairy Lovestein" and show us what it means to take a "Leap Of Faith."

Jackass royalty Steve-O joins Rob to catch some "Animal Bullies" and track down the world's most accurate "Nut Snipers."

Rob, Sterling and Chanel pick up a few "M.I.L.S," visit some "Early Graves" and enjoy some good old fashion "Russian Good Times."

Rob Dyrdek and UFC Founder Dana White show us the meaning behind "Banned-Kinis" and go head-to-head with today's most volatile "Hot Heads".

Skateboarding legend and Jackass star Bam Margera joins Rob to marvel at graceful "Air Dancers" and analyze some painful "Tailboners."

Skateboarding pro Ryan Sheckler takes the stage with Rob to look at some heated sibling rivalries in "Bro Beef" and show us how to avoid "Skateboard Missiles."

The one and only Carmen Electra joins fellow Ohio native Rob Dyrdek to show us what real "Screamers" are all about and get our heart rates up with a little "Sexercise."

Rob and Gymkhana phenomenon Ken Block show us how not to be a "Gymkhanabe" and we see first hand what being a "Death Dodger" is all about!

Rapper Riff Raff shows off his Brain Freeze and joins Rob in breaking down some unbelievable Middle of the Mall Sh*t.

Lost and Lord of the Rings star Dominic Monaghan stops by the studio to marvel at some "Mild Things" and watch some innocent bystanders get "Water Damaged!"

Rob is joined by Rapper A$AP Rocky who demonstrates "A Sneaky Ass Play" and shows us why fine older ladies "Still Got It."

Singer Ray J drops by the studio to watch some "Knockout Entertainment" and discuss the danger of "Selfies."

Rob, Sterling and Chanel marvel at some "Man Squirrels" and the unfortunate timing of people who become "Collateral Damage."

Actor Eddie Barbanell and Rob take a look at some adorable "Humanimals" and feel the music with a little bit of "Mancing."

Rob and Super Model Joanna Krupa practice some "Partial Arts" and sneak a peak at some "Man Juggies."

Rob, Sterling and Chanel enjoy some "Dirty Getaways" and some unskilled workers proving why this has to be their "Last Day on the Job."

Rob and International DJ Steve Aoki practice some "Instant Yoga" and check out the crowd madness at music "Mess-tivals

Rob Dyrdek and Australian singer superstar Cody Simpson witness some extremely "Awkward Dates" and discover the internet's most "Anti-Viral Sensations."

On a very special holiday episode of Ridiculousness, the one and only Santa Claus joins Rob as they break down hard-hitting "Jingle Bells," enjoy hilarious "Holiday Memories" and witness some very lucky "Christmas Miracles."