origin: (1812) American, after Elbridge "Gerry", the governor of Massachusetts who procured the technique + (sala)"mander" after the shape of the division → previously hyphenated to Gerry-mander.
An unfair division of a voting area in a way that gives one political party a distinct advantage; cheating.
To divide unfairly and to one's advantage (of voting districts or otherwise).
If it were Halloween and your older sibling agreed you'd walk ten blocks; however, they picked the five best blocks for candy-giving for themselves, then they could be accused of gerrymandering.
If Tuesday, June 3rd, is an election date for you - PLEASE VOTE!