A long-simmering YouTube meme: The boob punch.

The Best Links:

1. Boob Punching. It Makes Us Giggle
2. This Actually Just Looks Like Abuse
3. This Looks Painful
4. The Most Timid Boob Punch of This Collection
5. Surprise Boob Slap!!
6. Self Boob Punching
7. No One Punches Boob Like Michael Cera
8. What Is This Boob Punching You Speak Of?
9. “Cuz you know punching a woman in the breasts is so funny, har har.”

Jessica takes part in an online staring contest in order to promote Cash Warren’s new social networking site .

The Best Links:

1. Tech Start-up News; Photo of Jessica Alba On All Fours in a Bikini
2. Forget Staring Contests, Check Out My Online Rock-Paper-Scissors Competition
3. Cash Warren Started a Social Networking Site Called ibeatyou.com
4. Jessica Alba Still Uses MySpace?
5. Jessica Alba Stare Contest - Watch the Videos

People like filming their friends tripping on salvia almost as much as doing it themselves.

The Best Links:

1. Popularity of a Hallucinogen May Thwart Its Medical Uses
2. “Phil tripping on Salvia”
3. “I’m not going to roll on the floor” (Rolls on floor)
4. “I’m Sweating”
5. “Ashley’s Salvia Trip”
6. “Funniest” Salvia Trip On YouTube, Or Rather the One With the Most Laughing
7. “Salvia 80x Crazy Trip”
8. “First Timer”
9. “Buddha’s Salvia Trip”
10. “Aaron’s first salvia trip”
11. Is YouTube to Blame for Possible Salvia Ban?

For his show’s 1000th episode, Jimmy Kimmel spent the day with Richard Simmons, making for a highly disturbing - and, thus, reliably viral - segment.

The Best Links:

1. Is Jimmy Kimmel Richard Simmons’s New Letterman?
2. Wait, Richard Simmons is GAY???
3. Is Jimmy Kimmel F**king Richard Simmons?
4. Richard Simmons Out-Creeps Himself
5. Jimmy Kimmel Eats Crap, Can Do Push-ups

Today’s top YouTube video of hockey player Richard Zednik’s throat getting sliced open by an errant skate joins the growing pantheon of painful sports videos.

The Best Links:

1. Domino-Effect Crash on Bikes
2. Double-Whammy Motorcycle Crash
3. The Dangerous Japanese Racing Sport of Keirin
4. Horriffic Drag Car Race That Phil Lamattina Miraculously Survives
5. Matt McCartney’s Fall Induces a Seizure
6. At Last Year’s X Games, Skater Jake Brown Fell 40 Feet
7. Richard Zednik’s Cartioid Artery Gets Cut Open
8. Skiier Maria Holaus Takes a Nasty Fall During a Super G