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1.
when you link a girl who isn't particularly hot, at the moment, because you can tell she will be hot in a couple of years, because then you can 'cash in' on the investment when she's fucking buff as fuck

or in short

the act of securing sex with a member of the opposite sex who shows potential to be very attractive in future years with a view to securing future action when 'the chedder has matured'
dude....your sister requires an investment bang
by Rob and Rob September 17, 2007

Words related to Investment Bang

bang cash in future hot investment