Abe Lincoln noun2 •(US, slang) A United States five-dollar bill.I could do with a little change myself tonight—a few Abe Lincolns and some tens. — 1958 •(slang, rare) A penny (United States coin).When we think about penny slot machines, the first thing that comes to mind is the image of inserting a few “Abe Lincolns” into the machine and spinning the wheel in hopes of winning a few bucks. — 2007 formsAbe Lincolns