Trinkgeld balance bonus system bounty bribe buried treasure compensation consideration decoration discovery dividend donative double time extra extra added attraction extra dash fee filigree filling fillip find finding flourish foundling frill fringe benefit gratuity gravy grease hand-out honorarium incentive pay inducement lagniappe largess largesse leftover liberality margin ornament overage overmeasure overplus overrun overset overstock oversupply overtime pay padding palm oil perk perks perquisite perquisites plus pourboire premium remainder remuneration reward salve solatium something extra spare sportula stuffing superaddition surplus surplusage sweetener tip treasure trove trimming trouvaille trove twist waifs waifs and strays windfall windfall money windfall profit wrinkle