Definitions by ShePig

mackuflect 

The act of bending either arm at a 45' angle and pumping it up and down, in an attempt to get a truck driver to pull down on his air horn....

From the 1989 Rich Hall Snigglet desktop calender.

The kid began to frantically mackuflect as the truck moved into the passing lane.

mackuflect by ShePig October 31, 2004