Making this list has been No Treble at all.
  1. All That Meat and No Potatoes (Fats Waller, 1941)
    Self-explanatory. From the well-known folk idiom.
  2. Work With Me, Annie (Hank Ballard and the Midnighters, 1954)
    "Annie, please don't cheat/Give me all my meat." Here, "meat" might refer to any one of several possible things, but Annie's caboose is a definite contender. See "All That Meat and No Potatoes," above.
  3. Vicki Dougan (The Limeliters, 1961)
    "Vicki, turn your back on me/Oh, my darling, just for me..." Hint: Vicki did NOT have a really cool tattoo on her back.
  4. Allan Sherman's Molly Malone (1962)
    "She wheels her wheelbarrow through streets that are narrow/Her barrow is narrow, her hips are too wide..." Sure, it's a parody, but so what?
  5. Big Bottom (Spinal Tap, 1984)
    "My baby fits me like a flesh tuxedo/I like to sink her with my pink torpedo..." The white "Work With Me, Annie."
  6. Baby Got Back (Sir Mix-a-Lot, 1992)
    You all know the lyrics to this one.
  7. Suggestions, anyone? Extra credit for anyone who comes up with a song about a guy with a big ass.
  8. Bertha Butt Boogie by Jimmy Castor
    Suggested by @NancyMiller
  9. Ready for my bonus points: Wierd Al's "Fat!"
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    "When I sit around the house I really sit around the house."
    Suggested by @evan
  10. Queen: Fat Bottomed Girls
    "You make the rockin' world go round!"
    Suggested by @evan
  11. Jim Morrison "I'm a Backdoor Man"
    Suggested by @sharris