The Diary of a Teenage Health Freak, by Aidan MacFarlane
  and Ann McPherson, Illustrated by John Astrop (Oxford: Oxford University Press, 1987).  
  Click here for cover illustration.


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Even Stevens (Disney Channel, 1999-2003) 

    "After Hours", 17 November 2000
  Louis Stevens (Shia LaBeouf) draws hair on his chest, chin and underarms. 
  When confronted by his sister, Ren (Christy Carlson Romano), he says, "I 
  just wanted to see what it would look like; don't worry, it's non-toxic."


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Grounded for Life (Fox 2001-2003, WB 2003-2005) 

    "Smells Like Teen Spirit", 7 November 2003
  Whole episode (as indicated by the title) is about Jimmy Finnerty's (Griffin Frazen), well, stink.
  The episode opens with him in front of the bathroom mirror, looking inside his short-sleeved shirt
  to try and see his [new] underarm hair. One by one, the rest of his family comments on how bad he's
  been smelling lately, and (predictably) embarrass him about getting his first hairs. He is
  uncomfortable when his Dad (Donal Logue as Sean Finnerty) tries to discuss puberty, but Dad doesn't
  want to just tell him to smell better. Finally, Sean gives up and just tosses Jimmy some deodorant,
  and says, "You stink."

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Malcolm in the Middle (Fox, 2000-2006) 

    "Book Club", 18 November 2001 
  In "cold open", Malcolm (Frankie Muniz) sees his brother Reese 
  (Justin Berfield) in the bathroom taking Hal's hair out of 
  the shower drain and pasting it under his arms.  
    Malcolm: What are you doing?
    Reese: We start showering in gym class . . .

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Wild Tigers I Have Known (film, 2007) 
  "[Director Cam] Archer has this baby cub of a human being [Malcolm Stumpf 
  as Logan] measuring his penis for the first time with great curiosity and 
  cutting a strand of his hair to dangle it from one of his smooth armpits."
  [Quote from "Growing Pains in the Male Jungle" (review of Wild
  Tigers I Have Known) by Ed Gonzalez, Los Angeles Times, Friday, 
  6 April 2007]

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Zeke and Luther (Disney Channel, 2009-2012)

    "Pilot" aka "Tunnel of Terror", 6 July 2009
  Luther (Adam Hicks) makes several references to his armpit hair, which
  he calls Gordon.  Zeke (Hutch Dano) sees that Luther has his hand inside his
  shirt, under his arm.  
    Zeke: What are you doing?
    Luther: I'm visiting my little man.
    Zeke: Yeah? How's Gordon doing?
    Luther: He grew about a half inch -- I'm really pleased with his 
      thickness.
  Later, while wrestling, Luther accidentally pulls out Gordon.
    Zeke: It was an accident, I swear!