'since organising her neighbours to lobby the city council to spend £1m to clean up their area, renovate houses, plant trees and stop fly-tipping...' (Tim Bouquet interviewing Sameen Ali in the Times magazine, 08.03.08)
Discreetly depositing one's workplace detritus at different bins around the office. Reasons for doing so include smell of lunch remnants, lack of one's own bin, producing too much paper based waste, to annoy work colleagues, for spite.
Simon: What were you doing in payroll?
Will: I was office fly-tipping.
Simon: Teriyaki don?
Will: Yessir.