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2.
Offering sexual intercourse for money.
Wow, that hooker offers good bang for the buck.
by mypseudonymisalreadyinuse March 09, 2011
 
1.
value for what one pays (from an allusion to the national defense budget and the destructive power it produces)
You get more bang for the buck with this doohickey.
by Light Joker December 02, 2005