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1.
Get your cake up means to start off with a small amount of money and hustle or flip your money into a larger amount.
Joe spent all his money at the strip club on Friday so Saturday I told him "get your cake up" and then well go again.
by D Radick January 07, 2006
 
2.
1)is the act or process of one person or groups of persons doing something advantagous for their self
2) doing what you have to do to get by
3 trying to get what you want without having to do much else
Son u still not lift'n as much as me get your cake up nigga

Ey dawg get your cake up if u gotta cheat cheat it is wut it is u knw wut im say'n sometimes u just gotta do wut you gotta do
by Big bisquit aka Dallas January 06, 2006