Farrah's shocked expression when she learns one of the lesbian homecoming queens is her daughter.
"Why didn't I feel anything when I kissed Oliver? He makes really cool cranes!" The wing flapping is what sells it.
Shane to Amy: "If they find out you're lying they'll lynch you and not even notice the irony."
Lauren to Shane: "You go through guys like a chainsaw through puppies!"
The threesome tutorial.
"These are the three Fs for not f***ing up a threesome!"
Farrah: If my mother finds out Amy's a lesbian I'll never hear the end of it! Bruce: Your mother couldn't spot a lesbian at a Melissa Etheridge concert.
Penelope's reaction to a fight over David Beckham sums up many non-jocks' reactions:
Penelope: Ugh...SPORTS!! ...I can't...
Farrah:: Just make sure you're protected. Amy: I...keep a softball bat under my bed.
"Old people love me, I share their values."
Everything involving the "dungeon"
"Who wants to help me arrange these dildos?"
Tommy's attempted escape cutting off Karma's serenade
Shane: I see a lot of cold showers in my future. Cue the lawn sprinklers and an enraged Lauren.
Shane kissing Karma followed by her being weirded out and him not understanding what's so great about it.
Lauren on ecstasy.
"Goodbye butt tape, I'll miss you least of all."
"AAAAAARE YOU READY TO ROLE-PLAAAAAAY?!?!" (silence) "You're getting out of class for the day, so fake it." (lukewarm clapping)