Trinkgeld balance bonus bonus system bounty bribe consideration decoration dividend donative double time extra extra added attraction extra dash fee filigree filling fillip flourish frill fringe benefit gratuity gravy grease honorarium incentive pay inducement largess leftover liberality margin ornament overage overmeasure overplus overrun overset overstock oversupply overtime pay padding palm palm oil perks perquisite perquisites plus pourboire premium remainder salve solatium something extra spare sportula stuffing superaddition surplus surplusage sweetener tip trimming twist wrinkle