Top 10 Funniest Moments in Anime
10. Ranma Saotome's First Kiss -- from a GUY!
Ranma 1/2, season 2, episode 1
What is the one thing that can make Ranma Saotome cry? Nope, it's not the thought of his fiancee Akane Tendou getting marriede to another guy. Even when he's in girl form, Ranma retains the soul of a boy, and the soul of this particular boy is brought to tears when Mikodo Sanzenin, the dashing half of the "Golden Pair" of skating, kisses girl-Ranma on the lips. (eeww...)
9. Basketball Genius Sakuragi Hanamichi Does a Slam Dunk, on his Team Captain's head.
Slam Dunk, episode 7
There are tons of comic heroes in anime, and Sakuragi Hanamichi is one of more famous ones. He may think he knows basketball, but the first time he attempted a slam dunk, he not only missed the hoop by a mile - he dunk the ball onto the Shohoku team captain Akagi Takenori's head! So much for "genius"!
8. Naruto's Special Attack: "Death of Thousand Years".
Naruto, episode 4
This was originally sensei Kakashi's technique, but he has passed it on to Naruto. It consists of poking the... err... backside of the enemy with the tips of one's forefingers, causing the enemy to jump into the air and suffer humiliating pain. Some TV networks have cut out this scene from the anime because people may find it offensive.
7. Spike Spiegel Reacts to Faye Valentine's Singing
Cowboy Bebop, episode 5
In bounty hunter Spike Spiegel's past, there was a women named Julia, who sang to him while he lay wounded. In his present, there is a woman named Faye, who sings to him as he lies wounded and covered in bandages. He calls Faye over to him so he can tell her something... and that something is that she's singing off-key. Now it's Faye's turn to give him a piece of her mind!
source: my favorite magazine, KZONE mag.