sweepstaking
n.— «Brown is a devotee of the strange hobby of “sweepstaking.” Some 20,000 dedicated groupies, predominantly middle-aged women and their husbands, have turned prize giveaways run by companies to promote their brands into a pastime.» —“Jeepers Creepers, Where’d You Get Those Sweepers?” by Fred Meyer Slate Oct. 14, 2004. (source: Double-Tongued Dictionary)