Office fly-tipping

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.