gerrycan; used to define the ability to do something great. A motivational slang, also an Australian active and swimwear brand inspired by the founder Gerry.
Intentionally changing what the data actually show to fit a claim furthering an agenda. Anytime someone ignores, suppresses, or alters findings, results, data or statistics to fit their agenda. This could be media skewing a graph to hype fear (ex. of violent crime, drug use), politicians ignoring data needed to accurately assess a policy (ex. Lead in the water), social scientists beefing up a study's results to be published, companies claiming a product is safe (ex. Pharmaceutical clinical trials), and everyday users of Twitter who offer a "poll" to show what 'everyone' thinks.
The graph showing the increase in violent crime nationwide was obvious data gerrymandering because the statistics were only taken from the cities with populations over 1 million.
The Senator was gerrymandering data when he said that giving ex-felons the right to vote would mean all the convicted terrorists will be able to cast a ballot.
Where a political party proclaims a mandate after clearly losing an election, because by the use of gerrymandering they managed to retain control of the House of Representatives. When if anything near a reasonable redistricting system would of been in place, they would of easily of lost that control.
In the 2012 Presidential election, Republicans maintained control of the House of Representatives even though they lost states like Ohio and got less of the congressional votes. However, because of abusive gerrymandering in Ohio, they ended up with 12 of the 16 congressional seats available in the state. When afterwards they claimed to have their own "mandate" from the voters, they only really had a gerrymandate, because they actually got less votes in the House of Representatives than the Democrats did and kept control by gaming the system, not because it was the will of the voters.
Splitting the voting population in favor of the group in power by any means necessary, such as specifically targeted advertising, redrawing district lines, teaching specific politics in schools, or violence.
In the context of Ireland, esp. in the time of establishing its independence on Britain, gerrymandering was used to describe the practice of some individuals going to the polls several times at different places, so that the party (Fianna Fáil in this case) was sure to win the elections.
My granddad told me he went gerrymandering dozens of times although he was not paid for it...