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2.
A thug / gang weapon resembling a mace. Euphemism for the penis, referenced in the song "Josie" by Steely Dan ("We're gonna shine up the battle apple . . .")
"Jo would you love to scrapple
She'll never say no
Shine up the battle apple
We'll shake 'em all down tonight
We're gonna mix in the street . . ."
by TANSTAAFL1 June 10, 2010
 
1.
A large mace-like weapon used by street gangs in small town America in the Fifties and early Sixties. The battle apple works most efficiently when buffed up to a fine shine with a shammy cloth and a dab of saddle oil.

Referenced in the song "Josie" by Steely Dan.
"Yo, Lotsy, get the battle apple out of the screen cellar and meet us at 7th and Morlot at 6:30 - it's about time we ruin these clowns."
by chintzy March 04, 2007
 
3.
The act of taking the fake, plastic fruit one finds in hotels, display homes, or Ikea, and using such in a dodgeball fashion. The best, and most aerodynamic decorative fruits are apples, which fly faster and hurt more. Games are compiled of three rounds, and one round ends after a player has been hit three times. It's a one on one game, partner battle apples is for the pros only.
Harry: Dude, why are you so bloody sweaty?
Ron: Oh, me and me mate Neville just finished a game of battle apples.
by littlebaz328 August 27, 2009