doughnutting

Etymology
From doughnut. When this method of fare evasion is used on the London Underground, the area covered by the ticket looks like a doughnut, with a hole in the middle.

Noun

 * 1)  A method of fare evasion by buying tickets only covering the beginning and the end of a journey.
 * 2) * 2006, Carl Bro Group Ltd, FareXChange Scoping Study Final Report v1.0, section 8.6.1, Department for Transport, ,
 * Particular considerations apply to circumstances such as doughnutting when fare elements do not correspond to controllable elements, so there arises the opportunity for fare evasion.
 * 1) * 2012, WickedWolfie, reply to South West Trains. Liars? Thieves? Generally unhelpful., MoneySavingExpert Forum, ,
 * The post before you (rightly) says that overriding season tickets is a regular fare con, as is doughnutting (having tickets for the start and the end of the journey with a gap - often large - in the middle), the latter exposes the limitations of ticket gates.....
 * 1) * 2014, scottwalds, Re: [Mega Hot tea] Penalty fares on trains, Tony's Non-League Forum, ,
 * There is a technique known as doughnutting, where you buy a ticket covering your first and last stops, to allow you to pass through the ticket barriers at both ends.
 * There is a technique known as doughnutting, where you buy a ticket covering your first and last stops, to allow you to pass through the ticket barriers at both ends.