"Legs spread, shoulder width apart..." - Mamimi's opening line. It's from "Ashita no Joe" ("Joe of Tomorrow"), a popular manga about a boxer.

Takkun - Mamimi's nickname for Naota. There are three others that Mamimi calls Takkun.

Taro-kun - Haruko calls Naota Taro-kun when they first meet. In Japan, Taro is a common boy's name that begins with "Ta," an equivalent to Joe in the US.

Itadaki-mammoth - Haruko's pun. A combination of itadakimasu and mammoth. Itadakimasu is said before eating. Sometimes before taking something. Like a boy with a big forehead. Haruko modifies the phrase with mammoth, a slang term that was popular 10 to 15 years ago.

Muchuu - Muchuu or Chuu. Japanese onomatopoeia for kissing.

Vespa - Vespa is an Italian brand of scooters. Also means "wasp" or "hornet."

"just like Yuusaku" - Yuusaku Kudo, a detective from the TV show "Tantei Monogatari," rides a white Vespa. He was portrayed by Yuusaku Matsuda.

"Gundam" in the manga sequence - From left to right going clockwise: Char's Agg, a Gogg doing its special "Frizzyard" technique, Godard's Z'Gok, the pilot Akahana (red nose), and Boraskyniv's Zock. Special thanks to Mark Simmons of the former "Gundam Project" website for his help with these references.

Chi-chi o kuri-kuri - Chi-chi means "breasts" or "boobs" in Japanese. Kuri-kuri is a twisting noise. Chi-chi also means "father."

Gundam Hammer - A weapon in "Gundam." A chain with a rocket-powered spiked ball on the end. Yoshiyuki Tomino, the creator of "Gundam," insisted that "Gundam" was not just a giant robot anime, but a realistic show about war and humanity. Gundam Hammer was introduced, and critics said it wasn't very realistic. Tomino responded by saying that "Gundam" is only a giant robot anime after all.

Dou - An homonym for "how" or "copper." Kamon says, "How are you?" Haruko hears, "Are you made out of copper?"

Kuri - A homonym for a twisting noise and "chestnut." Kamon says, "Like twisting..." Haruko hears, "Like chestnuts..."

Kuri to Risu - A reference to "Ebichu," an animation short series by GAINAX.

Des ne - A homonym for a Japanese phrase and the English word "death." Kamon says, "Not about chestnuts or squirrels, but..." Haruko hears, "Death."

Houmen - Means "this direction." Men means noodle.

Da kara - Means "Like I said..." Kara means empty.

Mimi-tabu - Means "earlobe." The end of mimi-tabu sounds like "taboo." The mimi means "ear" or bread crust.

Mizuno Haruo - Haruo Mizuno was a famous movie critic, who changed his focus to directing and starring in his own movies.

Fujio - Fujiko Fujio is the manga duo who created "Doraemon," a classic manga about a robot cat from the future. The two artists did solo work under the names Fujiko A. Fujio and Fujiko F. Fujio. "Ace" refers to Fujiko A. Fujio, who continued to create children's manga. "Flash" refers to "Fujiko F. Fujio," who created dark humor pieces like "The Laughing Salesman."

Ikaten - Ikaten is short for "Ikasu Band Tengoku." Ikaten is an audition show for amateur bands. Ikasu means "cool." Tengoku means "heaven."

Kamon's theory - Family unit N refers to the Nobi family from "Doraemon." "Initial D" is a car racing manga. 80's pop idol singer Akina Nakamori sang "Innocent Girl A." Enka singer Satsuki Midori sang "Mature Woman B."

Delabe - Delabe is short for "Deluxe Beppin." A magazine featuring swimsuit models. Beppin means "beautiful woman."

Shaku-chan - Yumiko Shaku is a popular pin-up idol.

Bomb - An idol photo magazine similar to Delabe.

Ninamo - Nickname for Ninamori. Shortened by Masashi and Gaku.

Kaji - A homonym for "fire" and "chores." Ninamori jokes about housewives setting fires because they're tired of doing chores.

Focus magazine - A weekly magazine that covers the latest news, rumors and gossip.

Neko-hachi and Koneko - Father and son entertainers that became famous for mimicking cats. Neko-hachi's real name is Rokuro Okada, a fairly successful actor.