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1.
It is the act of Mastubating and Droppin a deuce at the same time. These are know to be the two best feelings seperatley, so when joined together they create the best of both worlds.
Me: Hey Brad why were you in the bathroom so long?

Brad: Dude!!! I had the best of both worlds.
by maczofri December 08, 2010
23 12
 
2.
A drink made of part Jack Daniels Whisky and part Frosty Jack legendary cider.

It is named this as it involves the two best drinks that use the word Jack, therefor you achieve the best of both worlds.
You fancy the best of both worlds tonight ? i.e. Do you want to get blazin' and remember nothing ?
by Superchumbo May 11, 2006
13 12