funding cliff n.— «Naturally, however, there’s a budget sleight-of-hand. Known as a “funding cliff,” the yearly Schip layout increases to $13.9 billion in 2011, then abruptly cuts spending by 65% below current funding levels...
pay-for n. in pay-as-you-go (or PAYGO) budgeting, a spending cut or tax increase that covers the budget for a piece of legislation. (source: Double-Tongued Dictionary)