Green’s Dictionary of Slang

swagging n.2

(US und.) of city sanitation workers, taking money on the promise of dealing with an individual’s rubbish (such rubbish clearance is free).

Phila. Dly News (PA) 7 Dec. 7/1: Police arrested two city sanitation workers [...] on charges of taking cash for trash removal, an illegal practice known as ‘swagging’.